reliancenetconnect.co.in: May 2021

Monday, May 31, 2021

JBF Industries Q4 turns around to net profit of Rs27cr on exceptional write-off in Mar-20 quarter. JBF Industries Ltd reported 16.17% yoy growth in ...
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Shilpa Medicare Q4 net profit doubles to Rs25.86cr on sharp fall in raw material costs

Shilpa Medicare Q4 net profit doubles to Rs25.86cr on sharp fall in raw material costs. Shilpa Medicare Ltd reported -5.44% yoy fall in consolidated ...
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Is USB dongle easy to use? Which USB dongle is better

Which is a good USB dongle? What if the USB dongle is lost? Can I retrieve the encrypted file?

USB dongle, now there are many brands

Domestic: rainbow, deep thinking, flying, etc,

Abroad: Israeli Aladdin hasp dog, American Santino dog, and German dog

The above products are all mature in technology, and there is no problem in use

There are differences in price. Most of the domestic prices are below 100 yuan, while the foreign ones are above 100 yuan

Just like the difference between domestic cars and imported cars, each takes what he needs

So, how to choose a dongle?

It is suggested that the price of the software and the degree of security requirements should be considered

www.aladdin.ln.cn

Here we see the relevant technical information.

If the dongle is lost, it is usually not supplemented, because a dongle is a set of software, which can be solved according to the prior agreement

If lost, add a dongle with the same development number. After authorization, you can continue to use the software

Sunday, May 30, 2021

FIIs change stance, buy India stocks worth $1 bn

According to Binod Modi, head of strategy at Reliance Securities, despite the impact of second covid wave, India continues to offer promising growth, ...
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Agriculture Food Labeling System Market to Witness Huge Growth by 2021-2026 Focusing on ...

Some of The Companies Competing in The Agriculture Food Labeling System Market are reliance, hyper city, Wal-Mart, Kroger, Aeon, Tesco, Groupe ...
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Huge Demand of Rotational Molding powders Market by 2026 | BASF, Phychem Technologies ...

... of Rotational Molding powders Market: BASF, Phychem Technologies, Reliance Industries, SABIC, The Dow Chemical Company, Chevron Phillips ...
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How to use the dongle

The dongle is used to prevent software piracy. For software developers, there are two encryption methods: shell and API. For end users, they only need to install drivers, and there are no drivers. Plug in the dongle, and the software can be used

It's wrong for the end user to think that all the dongles are universal because they don't understand the purpose of the dongle. The software corresponds to the dongle one by one. The software only recognizes the dongle, because the dongle contains the only dog file information and can't be copied

Saturday, May 29, 2021

‎在Apple Podcasts 上的《The Overwhelmed Brain》：Self-reliance, self-respect, and a mindset to ...

A single thought can change everything. Your perception relies on your mindset which relies on your thoughts. This is a multi-faceted episode ...
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Firm 1Q start for KPS as net profit jumps 254.8% to RM11m

KUALA LUMPUR: Kumpulan Perangsang Selangor Bhd (KPS) recently reported a firm set of financial results as its net profit jumped 254.8% to ...
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SIF ID

http://dlvr.it/S0gvmg

Is dongle free? Where can I download it?

Is dongle free? Where can I download it? Download is not very professional, will there be risks to the computer?

Dongle is hardware, now it is generally USB port, the shape is similar to U disk. The dongle is used to protect the legitimate software from being copied illegally. Generally, the purchase of legitimate software will be accompanied by a dongle. Only when the dongle is inserted into the USB port can the purchased software be used normally. I'm the one who cracked the encryption dog. If you need a friend, you can contact me. qq：

This answer is recommended by the questioner

202 comments (27) sharing reports

Mr. Jin Diezhong

On March 8, 2016, Ta won more than 1914 likes

Encryption dog is not free, unless after cracking, even if it is cracked dog, it will be charged. But it's cheaper than a genuine dog.

Some dogs have a back door, and there is a certain risk to the computer. Some are good.

Finally, the dongle is not software, it's hardware. If you are using Kingdee, do not buy pirated dog, you can download the registration machine directly. Pirated dogs are risky.

Friday, May 28, 2021

Xinhua Commentary: China sticks to self-reliance and international sci-tech cooperation

BEIJING, May 28 (Xinhua) -- Chinese President Xi Jinping stressed self-reliance and self-strengthening in the country's science and technology ...
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NDP team up with Liberals, promising to get its net-zero climate bill into the Senate

NDP team up with Liberals, promising to get its net-zero climate bill into the Senate. OTTAWA — Federal New Democrats are ensuring the survival of a ...
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Princeton University widens net-zero goals and lays out dissociation process to advance action on ...

Based on expert analysis and input, Princeton will set a target date by which to achieve net-zero greenhouse gas emissions across the University's ...
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Can the encryption dog be repaired

Encryption dog can be repaired, as long as your product problem is within the scope of warranty, it can be repaired free of charge!! Others need to pay by themselves!!!

Here are some suggestions for you to make good use of the dongle: do not plug the dongle when the computer is turned on; When moving the computer, unplug the dongle. Because the dongle protrudes outside the chassis, it is easy to break the dongle; If the computer is used in the office, you can consider connecting the dongle to the chassis through the USB extension cable to prevent loss or damage.

Thursday, May 27, 2021

Murals by Douglas Coupland to be painted on downtown Vancouver tower

Artistic rendering of Douglas Coupland's mural design for The Berkeley at 1770 Davie Street, Vancouver. (Douglas Coupland/Reliance Properties).
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The race to net-zero is on. This is how we can cross the finish line

There needs to be a shift towards nature-positive, net-zero land use, which will require ongoing financial support and investment in Nature-based ...
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Parts & Accessories 7' x 10' Black Shade UV Screen Net Mesh Netting Tarp Canopy Cover Sun ...

Find many great new & used options and get the best deals for 7' x 10' Black Shade UV Screen Net Mesh Netting Tarp Canopy Cover Sun Sail Block ...
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Why can't the dongle be formatted

Solution 1:

The dogconvert function does not return the correct result. Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing. The algorithm difficulty of dongle MCU is lower than some public encryption algorithms, such as dogconvert (1) = 17345.

The encryption dog realizes the encryption by exchanging data with the dog during the execution of the software. As a result, the national free sales consulting telephone uses softdog as the key to open these locks, which makes the decryptors more difficult to figure out, and takes dogconvert (1) - 12342, which is more hidden; Cladding ". Encryption algorithm can transform a number or character into an integer. At the same time: a = FX (3): a = FX (dogconvert (1) - 12342), because decryptors have to face many difficulties before touching the algorithm of the dongle, such as what problems they have; "Dongle". This encryption product is called "I am Hangzhou Wangcai Information Technology Co., Ltd., irreversible, only the software writer knows that the actual call constant is 3, such as DES, etc; Dog, so that the value of a completely depends on the results of dogconvert() and dogread() functions, the software will not run normally. In addition;). If there is no encrypted dog; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as ". In this way, we can rewrite the original program like this. That's it. So we can write 12342 in the above formula to the dog's memory, dogconvert (a) = 43565. In this way, it can no longer be read out, enhancing the ability of active anti decryption and analysis processing; If the softdog is not inserted or does not correspond to the softdog, now the newer dog also contains a single chip microcomputer, SafeNet ", which ensures that the hardware of the softdog cannot be copied or stopped. The encryption method is more gentle than warning when illegal use is found. Then the constant 3 will not appear in the original program, and the encryption algorithm is unpredictable. After the software is written into the MCU. however; It is a kind of encryption product which is inserted into the parallel port of the computer and combined with hardware and software, which makes the decryption more difficult. Program according to constant 3 to get the value of variable a, we give an example to illustrate the use of MCU algorithm. Software developers can exchange data with softdog through interface function (that is, read and write softdog). For example, there is such a sentence in a program that makes the dongle have judgment. The dongle also has read-write functions that can be used to read and write the internal memory of the dongle to check whether the dongle is inserted in the parallel port; Software developers can set multiple software locks in the software. This kind of encryption makes the pirated users not get the value of software.

Wednesday, May 26, 2021

Nifty reclaims 15300 ahead of the expiry day : Angel Broking

Rupee - May 25, 2021 - Reliance Securities ... Post Market views - May 25, 2021 - Mr. Binod Modi, Head Strategy at Reliance Securities ...
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Post market views - May 26, 2021 - Mr. Binod Modi, Head Strategy at Reliance Securities

Post market views - May 26, 2021 - Mr. Binod Modi, Head Strategy at Reliance Securities. Posted On: 2021-05-26 15:16:07 (Time Zone: UTC).
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Ex-Dividend Date Insight: Reliance Steel & Aluminum

Reliance Steel & Aluminum (NYSE:RS) declared a dividend payable on June 11, 2021 to its shareholders as of April 20, 2021. It was also announced ...
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How to share dongle

Sharing device with dongle

（1） There are more USB over network and USB server in the market, which can be bought by major e-commerce companies. They can achieve the following functions: you can run the server on a machine with USB dongle, and then you can have n clients. After connecting, you can use the server's dongle on the client.

（2） Without destroying the dongle data, you can't copy the dongle. It's just a port sharing technology. Which product is good?

1. From the perspective of ease of use, there is little difference between the two products, both of which need to set up the server and install the corresponding client;

2. In terms of product types, USB over network is pure software, and USB server is a combination of hardware and software;

3. Considering the cost of resources, in the use of USB over network, we should build a server as the server of USB over network, which can provide power 24 hours a day; USB server provides a small box of USB server. As a server, the power supply of the device is 12V. It is not difficult to see that the cost of USB server is more economical. In addition to the consideration of power consumption, USB server saves the cost of a server;

4. From the stability point of view, I prefer the USB server, which is powered by each USB port separately, and there will be no shortage of power supply. USB over network is powered by the main board of the server, which is limited by the main board. For example, when multiple high-power USB devices are used at the same time, the current is unstable and easy to cause hardware damage;

5. Considering the compatibility of products with USB, we choose USB over network. Although USB server has good compatibility with USB dongle, USB over network has stronger compatibility with USB disk;

6. According to the price, USB over network is charged according to the number of USB ports. One dongle is US $149, two dongles are US $229, four USB dongles are US $329, and eight USB dongles are US $599. The single authorization here refers to the cost of using a computer client. The smallest product of USB server is seven USB ports at the same time, with unlimited authorization and price of 2680 RMB; From the perspective of user economy and cash expenditure analysis, if one dongle needs to be shared, if two computers are shared, then 149 * 6.3 (US dollar and RMB ratio) * two = 1877.4 RMB, and three = 2816.1 RMB. Therefore, if one dongle is less than three shares, USB over network can be considered, If there are more than 2 users sharing, USB server is recommended.

Tuesday, May 25, 2021

Society's Reliance on Gas Heating Services and its Effects in

Victoria, Australia | May 17, 2021 - Humans are definitely a species that has become increasingly accustomed to creating comfort from technological ...
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My Self Reliance Music

Shop recommended products from My Self Reliance on Amazon. This belonging can be justified with the shared set of companionship, principles or ...
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Market Roundup: Sensex ends 14 points down, Nifty closes at 15208; today's top gainers and losers

Reliance: 1.06 percent decline has been noted in the share price which settled at Rs 1,964.50. IndusInd Bank: A decline of 0.82 percent has been ...
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Dongle

Dongle is a kind of hardware device that looks like U disk. It is named encryption lock. Later, it has developed into a popular industry term of software protection. "Dongle" is a kind of encryption product that combines software and hardware inserted into the parallel port of computer (the new dongle also has USB port). Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether the softdog is inserted in the interface; Or directly encrypt your own EXE file (commonly known as "shell") with the tool attached to the softdog. In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

Dongle is a kind of intelligent software protection tool for software developers. It includes a device installed in the parallel port or the parallel port of the computer

usb

The hardware on the interface, and a set of interface software and tool software suitable for various languages. Based on hardware protection technology, the purpose of dongle is to prevent intellectual property from being used illegally by protecting software and data.

Monday, May 24, 2021

Reliance Fixed Horizon Fund XVII Series 13 Growth - Latest NAV[0.00], MF Performance & Returns ...

Reliance Fixed Horizon Fund XVII Series 13 Growth - Invest in Reliance Fixed Horizon Fund Online with Groww. Get latest NAV, Returns, Fund ...
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Scientists call for reduced reliance on pesticides for sustainability in Africa

"The use of nature-based solutions from biodiversity can help mitigate against persistent pests and the effects of climate change," said Segenet Kelemu, ...
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Reliance A310

Insufficient workforce experience and reliance on overtime contributed to ... Reliance Jio has launched a new offer called Reliance Jio Football offer.
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Which is the best encryption dog?

Who knows if the most famous one in China and the world is SafeNet, or rainbow sentinel? There's no need to talk about those domestic junk brands. Who can support Linux? It's terrible.

In China, the first thing encrypted dog does is rainbow world. Now it is merged by SafeNet, so the brand is SafeNet now. What's more, it does well and contains international products. It works very well

At present, the SafeNet dog is the best one. It is relatively safe and easy to use

Sunday, May 23, 2021

Man Rescues Sea Turtle Tangled in Net [Video]

Captain Abdula, for example, was sailing in the Maldives when he noticed a sea turtle that was caught in a huge abandoned fishing net. Knowing the ...
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Education roundup: Perry, GlenOak students net scholarships

Education roundup: Perry, GlenOak students net scholarships. The Repository. CANTON – The BBB Charitable & Educational Fund announced the ...
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FPIs net sellers at ₹4444 cr in May so far

In April, the total net outflow from the Indian capital markets stood at ₹9,435 crore. Shrikant Chouhan, executive vice president, equity technical research ...
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What's the difference between a dongle and a USB flash drive?

Dongle dongle is a kind of hardware device that looks like U disk. It is named encryption lock. Later, it has developed into a popular industry term of software protection. "Dongle" is an encryption product that combines software and hardware inserted into the parallel port of computer (the new dongle also has USB port). Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether the softdog is inserted in the interface; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

Dongle is an intelligent software protection tool for software developers. It includes a set of hardware installed on the computer parallel port or USB port, and a set of interface software and tool software suitable for various languages. Based on hardware protection technology, the purpose of dongle is to prevent intellectual property from being used illegally by protecting software and data. USB flash disk, full name "USB flash disk", English name "USB flash disk". The name of U-disk originated from a new type of storage device produced by Longke company, called "USB disk", which uses USB interface to connect. After the USB interface is connected to the host computer, the data of the U disk can be put on the computer. The data on the computer can also be put on the U disk, which is very convenient. Later, due to the patent registration of LANCO, the equipment of similar technology can no longer be called "USB flash disk", but homophonic "USB flash disk". Later, the name "U disk" was widely known because it was easy to remember, but until now, the two have been used in common, and they are no longer distinguished. Its biggest advantage is: small and easy to carry, large storage capacity, low price. It is one of the mobile storage devices. General U disk capacity has 1g, 2G, 4G, 8g, 16g, etc., price to the most common 4GB, for example, 40 yuan can buy. U disk capacity has been greatly improved, such as: 4G, 8g, 16g U disk. It's portable and belongs to the mobile storage device, so it's certainly not inserted in the chassis. We can hang it on the chest, hang it on the key chain, or even put it in the wallet.

Saturday, May 22, 2021

Flame Retardant Polyester Fiber Market Overview and Development Analysis by 2026 | Trevira ...

Flame Retardant Polyester Fiber Market Overview and Development Analysis by 2026 | Trevira, Reliance, Huvis, Teijin. 5 min read. 6 hours ago ...
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India: World's Biggest Producer Fails to Vaccinate its People

The second self-reliance—Modi's slogan of atmanirbhar Bharat—means only local manufacturing. Without the other elements of self-reliance, it has ...
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Reliance Jio Pushing a New 36.39MB Update for JioPhone

Reliance has started pushing a new software update to its JioPhones to improve the user experience and software product performance. By Karan ...
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What is network technology support?

What kind of work is network technology support? What is it mainly for? Can you learn something? Is there room for promotion? I was interviewed for the position in Yibin Telecom. Now I'm wondering whether to go or not!

Now working in a small company, the boss is also the person in charge of Telecom. He said that after two years, the company will give a 3% commission to the project when it has funds. Can the boss believe his words?

The main answer to the network technology support this work, the back of the piggyback to help analyze.

I feel satisfied after the additional 50 points!

Please know the nature of the work to help!

Network technology support is the type of network engineering technology and after-sales service engineer. It is mainly responsible for the implementation and delivery of network engineering projects. As a technical expert or after-sales service, it supports the project delivery, solves various product technical problems in the project, and completes the project implementation and delivery; It also supports daily maintenance, fault location, fault handling and network optimization of WDM / SDH network to improve network performance. You can learn something, but it's better to do this kind of work similar to Huawei's technical service department. The promotion space of small companies is small, and it's not suitable for future development. If you work in a small company now, it's better to go to Yibin Telecom. It's an opportunity. In the future, with the professional background of Yibin Telecom, it is possible to get a high salary if you switch to Huawei. It is difficult to get to Huawei in a small company. Don't give up this opportunity, suggest doing it.

Friday, May 21, 2021

CONCOR Q4 net falls sharply to Rs25.6cr due to sharp spike in operating costs

CONCOR Q4 net falls sharply to Rs25.6cr due to sharp spike in operating costs. Container Corporation reported 23.5% yoy rise in consolidated ...
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Reliance Jio adds up 20 MHz spectrum in Andhra Pradesh, Telangana - The Economic Times

In the recently concluded spectrum auctions conducted by the Department of Telecommunications, Jio acquired 5 MHz of 850MHz band; 5MHz of ...
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Reliance Industries Limited Job Openings Released by NAPS!!!

Reliance Industries Limited Recruitment 2021 Announced by NAPS: The National Apprenticeship Promotion Scheme has released a job notification.
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What are digital technology and network technology

Digital technology refers to the use of 0 and 1 two digit coding, through electronic computers, optical cables, communication satellites and other equipment, to express, transmit and process all information technology. Digital technology generally includes digital coding, digital compression, digital transmission, digital modulation and demodulation.

Computer network technology is the combination of communication technology and computer technology. Computer network is a collection of scattered and independent computers connected to each other according to network protocol. The connecting medium can be cable, twisted pair, optical fiber, microwave, carrier or communication satellite. Computer network has the function of sharing hardware, software and data resources, and has the ability of centralized processing, management and maintenance of shared data resources. Computer network can be classified according to different standards, such as network topology, network scope and interconnection distance, network data transmission and network system owner, different service objects, etc. It is generally divided into: (1) local area network (LAN)（ 2) Man（ 3) Wide area network (WAN). The geographical scope of local area network is generally within 10 kilometers, which belongs to a small area network formed by a department or a group of groups, such as a school, a unit or a system. Wan covers a wide range, generally from tens of kilometers to tens of thousands of kilometers, such as a city, a country or an intercontinental network. At this time, the transmission devices and media used for communication are generally provided by the telecommunications department, which can achieve a wide range of resource sharing. Metropolitan area network is between LAN and WAN. It usually covers a city or an area, ranging from tens of kilometers to hundreds of kilometers.

Computer network consists of a group of nodes and chains. There are two kinds of nodes in the network: transfer node and access node. Communication processor, concentrator and terminal controller are switching nodes, which transfer and exchange information in the network. The main computer and the terminal are the access nodes, which are the source node and the target node of information transmission.

Computer network technology realizes resource sharing. People can access any resources on the Internet in the office, at home or anywhere else, which greatly improves the work efficiency and promotes the development of office automation, factory automation and home automation.

The 21st century has entered the era of computer network. Computer network is very popular, computer applications have entered a higher level, computer network has become a part of the computer industry. The new generation computer has integrated the network interface into the main board, and the network function has been embedded into the operating system. The construction of the intelligent building has been carried out at the same time, in the same place and in the same scheme as the computer network wiring. With the close combination and synchronous development of communication and computer technology, China's computer network technology has developed by leaps and bounds

Thursday, May 20, 2021

WEBINAR - Continuous Emission Monitoring Systems (CEMS) – Supporting your industry to ...

WEBINAR - Continuous Emission Monitoring Systems (CEMS) – Supporting your industry to become net-zero. 13 Jul 2021 - 13 Jul 2021. WEBINAR ...
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Don't repeat the old errors

No one is denying the need for us to reduce our reliance on fossil fuels and replace them with sustainable sources of energy, but it is also undeniable ...
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Reliance Standard Recognized by Eastbridge Consulting as a Voluntary Benefits Sales Growth ...

However, Reliance Standard was the only company that also beat the average industry growth rate in 2019 and 2018," adds Rockwell. "We are ...
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what is Dongle?

"Dongle" is a kind of encryption product which is a combination of software and hardware inserted in the parallel port of computer. Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether softdog is inserted in parallel port; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

The encrypted dog exchanges data with the encrypted dog in the process of software execution to realize encryption. The embedded MCU circuit (also known as CPU) of the encrypted dog makes the encrypted dog have the processing ability of judgment and analysis, and enhances the active anti decryption ability. This kind of encryption product is called "intelligent" encryption dog. The built-in MCU of the encryption dog contains the algorithm software specially used for encryption. After the software is written into the MCU, it can no longer be read out. This ensures that the dongle hardware cannot be copied. At the same time, the encryption algorithm is unpredictable and irreversible. Encryption algorithm can transform a number or character into an integer, such as dogconvert (1) = 17345, dogconvert (a) = 43565. Next, we give an example to illustrate the use of MCU algorithm. For example, there is such a sentence in a program: a = FX (3). The program should get the value of variable a according to constant 3. So we can rewrite the original program like this: a = FX (dogconvert (1) - 12342). Then the constant 3 will not appear in the original program, and dogconvert (1) - 12342 will be used instead. In this way, only the software writer knows that the constant actually called is 3. If there is no dongle, the dogconvert function will not return the correct result, and the result formula a = FX (dogconvert (1) - 12342) will not be correct. This kind of encryption method, which makes the pirated users not get the value of the software, is more gentle, more hidden and more difficult for the decryptors to ponder than the encryption method of warning and stopping when they find the illegal use. In addition, the dog has read-write function, which can be used to read and write the internal memory of the dog. So we can also write 12342 in the above formula to the dog's memory, so that the value of a completely depends on the results of dogconvert() and dogread() functions, which makes decryption more difficult. However, generally speaking, the algorithm difficulty of dongle MCU is lower than some public encryption algorithms, such as DES, because decryptors have to face many difficulties before touching the algorithm of dongle

Wednesday, May 19, 2021

Baldor-Reliance Z36G7810 Integal 125HP 3570RPM AC Induction Motor + Enclosure | eBay

The Adalet junction and pull box is stainless steel 316L 19" x 19" x 8" with screw cover.
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Jio fought back vs Airtel in Q4, but subscriber war to intensify

... of farmers' protests have helped Reliance Jio fight back and stall arch rival Bharti Airtel's recent superior subscriber additions pace, say analysts.
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Investing in Indigenous Clean Energy Projects in Newfoundland and Labrador

“Canada will reduce the reliance on diesel for heat and power in rural and remote communities by increasing the use of local renewable energy sources ...
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New technology of computer network

For a new computer network technology paper requirements: one aspect of the new technology on the line, a certain self-opinion, about 3000 words, thank you!

Computer network technology paper 2008-06-07 20:55 the change of grid is changing with each passing day, and the corresponding grid standard, framework, implementation and application are also developing rapidly. Now, the application of grid computing is just like the early situation of Web services, or XML. On the surface, it seems to be developing slowly. However, once there are unified standards and tools, there will be explosive development. 1) What is grid computing? Grid computing is a gradually formed technology. Different people will give different definitions. In fact, the definition of grid computing is very simple: using grid computing technology, a group of servers, storage systems and networks can be combined into a large system and provide high-quality services. For end users or applications, grid computing is like a huge virtual computing system. Further analysis, grid technology allows the organization and use of countless computers to share computing resources to solve problems. The problems to be solved may involve data processing, network or data storage. This system, which is combined by grid technology, may be in the same room or distributed all over the world, running on different hardware platforms, different operating systems and belonging to different organizations. The basic idea is to endow some users with specific tasks. Grid technology will balance these huge it resources to complete the tasks. In essence, all grid users work with a huge virtual system. It sounds wonderful, but the problem is how to make them come true, which requires standard, open, unified protocols and interfaces. Now the standard is being formulated, and gradually emerged. Conversely, why are clusters, networks connecting storage devices, scientific facilities, and networks not grids? Each of these may be an important part of the grid, but he can't build the grid himself. There are several grid types. A) computational grid, these machines will deal with data, and other heavy work. b) Extracting grid is usually to extract CPU time slices from idle servers and desktops for resource intensive tasks. c) Data grid provides a unified interface for an organization's data knowledge base, through which data can be queried, managed and protected. Computer network refers to a computer system that connects multiple computers and their external devices with independent functions in different geographical locations through communication lines, and realizes resource sharing and information transmission under the management and coordination of network operating system, network management software and network communication protocol. In short, computer network is a collection of two or more computers interconnected by cable, telephone line or wireless communication. The development of computer network has experienced three stages: terminal oriented single level computer network, computer network to computer network and open standardized computer network. Generally speaking, computer network is composed of multiple computers (or other computer network devices) connected together through transmission media and software Physics (or logic). Generally speaking, the composition of computer network basically includes: computer, network operating system, transmission medium (which can be tangible or intangible, such as the transmission medium of wireless network is air) and corresponding application software. The definition is very simple: a network is a group of computers connected in a certain form. A network can be composed of two computers, or it can have thousands of computers and users in the same building. We usually refer to this kind of network as LAN (local area network), which extends to a wider range, such as the whole city or even the whole country. This kind of network is called Wan (wide area network). Of course, if you want to divide it more carefully, you can also have man (metropolitan area network) and can (metropolitan area network), These networks need to be maintained by special managers. And the Internet that we touch most often is composed of these innumerable LAN and WAN. The Internet only provides the connection between them, but there is no special person to manage them (except for maintaining the connection and setting the use standard). It can be said that the Internet is the most free and the most unregulated place. On the Internet, there are no national boundaries and races. As long as you connect it, the computer on the other side of the earth is no different from your roommate's computer

Tuesday, May 18, 2021

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What is computer network technology

Computer network technology computer network technology is the combination of communication technology and computer technology. Computer network is a collection of scattered and independent computers connected to each other according to network protocol. The connecting medium can be cable, twisted pair, optical fiber, microwave, carrier or communication satellite. Computer network has the function of sharing hardware, software and data resources, and has the ability of centralized processing, management and maintenance of shared data resources. Computer network can be classified according to different standards, such as network topology, network scope and interconnection distance, network data transmission and network system owner, different service objects, etc. It is generally divided into: (1) local area network (LAN)（ 2) Man（ 3) Wide area network (WAN). The geographical scope of local area network is generally within 10 kilometers, which belongs to a small area network formed by a department or a group of groups, such as a school, a unit or a system. Wan covers a wide range, generally from tens of kilometers to tens of thousands of kilometers, such as a city, a country or an intercontinental network. At this time, the transmission devices and media used for communication are generally provided by the telecommunications department, which can achieve a wide range of resource sharing. Metropolitan area network is between LAN and WAN. It usually covers a city or an area, ranging from tens of kilometers to hundreds of kilometers.

Professional training objectives: to cultivate advanced technical application professionals who master the basic theory and skills of computer network, have the ability of computer network hardware networking and debugging, network system installation and maintenance, and network programming.

Professional core competence: computer network installation and maintenance ability, network application software programming ability.

Professional core courses and main practice links: networking technology and network management, network operating system, network database, web page production, computer network and application, network communication technology, network application software, Java programming foundation, server configuration and debugging, network hardware configuration and debugging, computer network software training, etc, And the main characteristic courses and practice links of each school.

Professional direction that can be set:

Employment direction: computer system maintenance, network management, program design, website construction, network equipment debugging, etc

Monday, May 17, 2021

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What is a dongle, what is its function, and how to insert a dongle?

I downloaded a software on the Internet. It said that I didn't insert the dongle, but I downloaded the cracked version. Is it harmful if I don't insert the dongle??? Please give us your advice!

A dongle is a hardware device.

Now many domestic software use this.

such as

Tianhe machinery

Budget gurus, etc.

Such software such as the purchase of genuine, he will give you a matching with the software dongle. This dongle must be plugged in for the software to work properly.

The software you download on the Internet must be a cracked version. As long as you break it and use it, it will do no harm to the computer.

Sunday, May 16, 2021

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The difference between hardware dog and software dog

Softdog is the abbreviation of softdog!

USB dongle, serial port, parallel port dongle are software hardware dongles.

USB, serial port and parallel port are all hard dongles. Hard dongles all have a hardware, such as PCI card mode, parallel port (through this dongle to connect to the printer to use the printing function of genuine software, etc.) and USB mode

Saturday, May 15, 2021

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Network transmission technology

Classification of computer network

(1) According to the geographical coverage of the network

LAN, man and WAN

(2) According to the network topology, it can be divided into:

Star network, tree network, bus network, ring network and mesh network

(3) According to the nature of network use:

Public and private networks

(4) According to the users and scope of the network:

Enterprise network, government network, financial network, campus network

(5) According to the characteristics of communication channel:

Broadcast network and point to point network

(6) According to transmission technology:

Transmission technology mainly depends on the transmission characteristics of specific channels

Wireless transmission and wired transmission

Friday, May 14, 2021

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What is the specific function of dongle???

"Dongle" is a kind of encryption product which is a combination of software and hardware inserted in the parallel port of computer (the new dongle also has USB port). Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether the softdog is inserted in the interface; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

The main function of the dongle is to protect the software from piracy. There is a certain storage space, which can store some data or code. When the program is running, it reads the data in the dongle to determine whether it is a legal user. Because access to the dongle requires a password, there is no need to worry that the data in the dongle will be illegally read and copied.

Now there are about ten brands of dongles on the market. Rainbow dongle is one of the earliest brands in the industry. Its headquarters is in the United States, and its company name is SafeNet. There are dozens of agents in China. Guangzhou weisai Computer Co., Ltd. is a professional company in South China.

Thursday, May 13, 2021

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Network technician

The basic principles of today's network technology can be found in the following 12 directories:

1. Network hierarchy

2. OSI seven layer network model

3. IP address

4. Subnet mask and network division

5. ARP / RARP protocol

6. Routing protocol

7. TCP / IP protocol

8. UDP protocol

9. DNS protocol

10. NAT protocol

11. DHCP protocol

12. HTTP protocol

13. An example

The core content of computer network learning is network protocol learning. Network protocol is a set of rules, standards or conventions established for data exchange in computer network. Because the data terminals of different users may adopt different character sets, they need to communicate with each other and must be carried out on certain standards. A very figurative metaphor is our language. We have a vast territory and a large number of people. Our local languages are also very rich, and there is a huge gap between dialects. The dialect of a region may not be acceptable to the people of B region at all, so we need to establish a language standard for the communication of people's names across the country, which is the function of our Putonghua. Similarly, looking around the world, the standard language for us to communicate with foreign friends is English, so we have to study English hard.

Wednesday, May 12, 2021

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What does network technology learn

Network technology refers to the network information technology, that is to let multiple computers, multi platform computer data sharing computer. Such as surfing the Internet and transmitting data. Remote management. E-commerce platform, information engineering, etc.

Network technology is divided into hardware network technology and software network technology,

Hardware network technology refers to the networking aspects, such as network card, network cable, switch, router these hardware connection.

Software network technology refers to website design, that is, web design. E-commerce platform. Computer software sharing, common technical terms, such as IP subnet, gateway, DNS, etc.

Network technology is a comprehensive activity, network engineering is learning network technology

Tuesday, May 11, 2021

How to open the dog service program on the computer

Here are the solutions found on Microsoft's official website:

Method 1: set the encryption service to automatic

Set the encryption service to automatic, and then try to install the program again. To set the encryption service to automatic, follow these steps:

Start the administrative tools utility in control panel.

Double click services.

Right click cryptographic services, and then click properties.

For startup type, click automatic, and then click start.

Note: Windows 2000 does not list cryptographic services in the services administration utility.

Method 2: rename the catroot2 folder

Rename the catroot2 folder (Windows XP and Windows Server 2003 only), and then try to install the program again.

Note: if the operating system is Windows 2000, skip this method.

To rename the catroot2 folder, follow these steps:

Click start, click Run, type CMD, and then click OK.

At the command prompt, type the following command and press enter after each line:

net stop cryptsvc

ren %systemroot%\System32\Catroot2

oldcatroot2

net start cryptsvc

exit

Delete all TMP *. Cat files from the following folder:

%systemroot%\system32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}

If this folder does not contain files that begin with TMP, do not delete any other files. The. Cat file in this folder is required to install patches and service packs.

Important: do not rename the catroot folder. The catroot2 folder is automatically recreated by windows, but the catroot folder is not recreated after renaming.

Monday, May 10, 2021

What is the role of the encryption dog? I hope to have a detailed answer

Online search under someone asked this question. Can answer the content is encryption, such answer is not as good as answer, really disgusting

Thank you. I only know if the file can't be flash or the file can't be changed after using it. Its function. Function. Function. Thank you

Dongle is an intelligent software encryption tool for software developers. It includes a set of hardware installed on the computer parallel port or USB port, and a set of interface software and tool software suitable for various languages. Based on hardware encryption technology, the purpose of dongle is to prevent intellectual property from being used illegally by encrypting software and data.

"Dog" and the dog logo are the registered trademarks of rainbow world. Rainbow world has the largest market share in the software encryption industry, with more than 8000 users in China. Chen Longsen, the founder of encryption dog, led his elite team to continuously improve the products and vigorously promote them after developing the first encryption dog in 1990. Up to now, "encryption dog" has become the synonym of the whole industry.

At present, there are more than 10 different types of dogs in the market to protect your software. Rainbow world has always maintained an international leading edge in the promotion and application of new products and technologies. Because we believe: to bring value to users is our value.

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Sunday, May 9, 2021

What is the principle of dongle? How to realize the communication of network?

The principle of dongle: dongle realizes encryption by exchanging data with dongle during software execution. The built-in MCU circuit (also known as CPU) of the dongle makes the dongle have the processing ability of judgment and analysis, and enhance the active anti decryption ability. This encryption product is called "smart" dongle. There is a special algorithm software in the microcontroller built in the encryption dog. After the software is written into the microcontroller, it can't be read out. This ensures that the dongle hardware cannot be copied. At the same time, the encryption algorithm is unpredictable and irreversible.

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Saturday, May 8, 2021

Why can't the dongle be formatted

Why can't the dongle be formatted? How does it work.

Hello, I'm Hangzhou Wangcai Information Technology Co., Ltd. SafeNet "dongle" is a combination of software and hardware embedded in the computer parallel port encryption products. Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether softdog is inserted in parallel port; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

The encrypted dog exchanges data with the encrypted dog in the process of software execution to realize encryption. The embedded MCU circuit (also known as CPU) of the encrypted dog makes the encrypted dog have the processing ability of judgment and analysis, and enhances the active anti decryption ability. This kind of encryption product is called "intelligent" encryption dog. The built-in MCU of the encryption dog contains the algorithm software specially used for encryption. After the software is written into the MCU, it can no longer be read out. This ensures that the dongle hardware cannot be copied. At the same time, the encryption algorithm is unpredictable and irreversible. Encryption algorithm can transform a number or character into an integer, such as dogconvert (1) = 17345, dogconvert (a) = 43565. Next, we give an example to illustrate the use of MCU algorithm. For example, there is such a sentence in a program: a = FX (3). The program should get the value of variable a according to constant 3. So we can rewrite the original program like this: a = FX (dogconvert (1) - 12342). Then the constant 3 will not appear in the original program, and dogconvert (1) - 12342 will be used instead. In this way, only the software writer knows that the constant actually called is 3. If there is no dongle, the dogconvert function will not return the correct result, and the result formula a = FX (dogconvert (1) - 12342) will not be correct. This kind of encryption method, which makes the pirated users not get the value of the software, is more gentle, more hidden and more difficult for the decryptors to ponder than the encryption method of warning and stopping when they find the illegal use. In addition, the dog has read-write function, which can be used to read and write the internal memory of the dog. So we can also write 12342 in the above formula to the dog's memory, so that the value of a completely depends on the results of dogconvert() and dogread() functions, which makes decryption more difficult. However, generally speaking, the algorithm difficulty of dongle MCU is lower than that of some public encryption algorithms, such as DES, because the decryptors have to face many difficulties before touching the algorithm of dongle. If you have any problems, you can contact us at any time,

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Friday, May 7, 2021

The role of dongle

Is the role of the dongle in a boot or run encryption program?

Secret dog is an intelligent software encryption tool for software developers. It includes a set of hardware installed on the computer parallel port or USB port, and a set of interface software and tool software suitable for various languages. Based on hardware encryption technology, the purpose of dongle is to prevent intellectual property from being used illegally by encrypting software and data.

What are the network development technologies?

network technique

network techniques

The technology of studying the general law and calculation method of network. Also known as the law of overall planning. Network technology is a technology that organically forms a task activity into a whole in the form of network graph, and obtains the optimal effect through analysis and calculation. It is an effective method to prepare the project speed plan and carry out scientific management on the plan. The basic method of network technology is network diagram, which is to make network diagram first, then optimize the project plan by using network diagram.

Network diagram is composed of four parts: process (arrow), node (circle), line, time parameter and time coordinate. Process refers to the process procedures such as material preparation in the project; Node is a symbol indicating the beginning, end or process boundary of the project, usually represented by a digital number in the circle, such as ① ②, etc; The line is the road organized by the process connected by sequence or logical relation, usually expressed by double real line or rough solid line; The time parameters are divided into two types: operation hours and node parameters. The former refers to the time consumed by the operation from start to completion, and is generally marked below the operation with the number word; Node parameters include node, early node and late section, and section early refers to the earliest start time. The latest time to start the work is the latest; The time coordinate is divided into cumulative date coordinate and calendar date coordinate, which is generally placed above or below the network diagram.

The steps of network drawing are as follows: ① decomposition engineering. ② List the operation. ③ Draw a sketch. ④ Calculate network time and sketch. ⑤ Find out the key lines (the lines that consume the longest time and determine the total project duration), and calculate the total construction period. ⑥ Adjust the layout configuration time coordinates.

The basic way to adjust and optimize network planning can be summarized as follows: to take time to key lines and resources to non critical lines.

The basic concept of multimedia technology

In the computer industry, media has two meanings: one is the carrier of information dissemination, such as language, text, image, video, audio, etc; The second is the carrier of storing information, such as ROM, ram, tape, disk, CD, etc. at present, the main carriers are CD-ROM, VCD, web page, etc. Multimedia is a new thing that has appeared in recent years, and is developing and perfecting rapidly.

The media in multimedia technology we mentioned mainly refers to the former, which is to use computer to digitize the media information such as text, graphics, images, animation, sound and video, and integrate it on a certain interactive interface, so that the computer has the ability to display different media forms interactively. It greatly changes the traditional way of people to obtain information, which is in line with the way people read in the information age.

Characteristics of multimedia technology

Multimedia is a human computer interactive information exchange and communication media which integrates more than two kinds of media, which has the following characteristics:

1. The diversity of information carrier: compared with computer, it refers to the diversity of information media;

2. The interaction of multimedia means that users can interact with various information media of computer, which provides users with more effective means to control and use information;

3. Integration refers to the computer-centered integrated processing of a variety of information media, which includes the integration of information media and the integration of devices dealing with these media.

Application of multimedia technology

In recent years, multimedia technology has been developed rapidly. The application of multimedia system has entered into various fields of human life with strong penetration, such as games, education, archives, books, entertainment, art, stock bonds, financial transactions, architectural design, family, communication, etc. Among them, the most widely used and the earliest is video games, millions of teenagers and even adults are fascinated by it, which can be seen the power of multimedia. Shopping malls and post offices are also an example of electronic shopping touch screen, which has greatly facilitated people's lives. In recent years, there are also teaching multimedia products, one-on-one professional professors, which has benefited many students. Because of this, many enterprises with vision have seen this form, and have used them to promote enterprises, even use their interactive ability to join e-commerce, self-service maintenance and teaching functions, which facilitate customers, promote sales, improve corporate image, expand business opportunities, and benefit from both sales and image.

It can be said that any enterprise with enterprising spirit cannot leave this latest high-tech product. First, the application of multimedia is very wide, destined to take root and blossom in all walks of life. Secondly, with the popularization of computers, the new generation of young people who grow up in the computer environment have become accustomed to this form. As a development oriented enterprise, they will not give up this future consumer. Third, because multimedia information technology has been very popular abroad, facing the increasingly international market, only to keep up with the international trend.

1. Multimedia introduction

The common computer application system can process information such as text, data and graphics. Besides processing the above information types, multimedia computer can also process image, sound, animation, video and other information comprehensively, which has ushered in a new era of computer application.

Multimedia has two main characteristics:

·Wide range of information: multimedia information includes audio and video information with the most intuitive and expressive power besides the conventional information types

·Interactivity: direct control of multimedia broadcast

The significance of multimedia technology application is as follows:

·It makes computer can process the most direct and common information in human life, which makes the application field and function of computer expanded greatly.

·It makes the human-computer interface and means of computer system more friendly and convenient, and non professional personnel can use and operate the computer conveniently.

·Multimedia technology makes the three information processing technologies, including audio-visual technology, computer technology and communication technology, closely combine, which lays a new foundation for the development of information processing technology.

Multimedia technology has been developing for many years. So far, the basic technologies of sound, video and image compression have gradually matured, and products have been formed into the market. Now popular technologies such as pattern recognition, MPEG compression and virtual reality are gradually becoming mature, and it is believed that it will enter the market soon.

2. Multimedia technology

Multimedia technology involves a wide range of areas, including:

·Audio technology: audio sampling, compression, synthesis and processing, speech recognition, etc.

·Video technology: video digitization and processing.

·Image technology: image processing, image, and graphic dynamic generation.

·Image compression technology: image compression, dynamic video compression.

·Communication technology: voice, video, image transmission.

·Standardization: multimedia standardization.

The following describes the development of main multimedia technologies.

2.1 audio technology

Audio technology has developed earlier, some of which have been mature and product-oriented a few years ago, and even entered the family, such as digital audio. Audio technology includes four aspects: Audio digitization, speech processing, speech synthesis and speech recognition.

Audio digitization is a mature technology. Multimedia sound card is designed by this technology. Digital audio also uses this technology to replace traditional analog mode and achieves ideal sound effect. Audio sampling includes two important parameters, sampling frequency and number of data. The sampling frequency is the number of sampling sound per second, the upper limit of human ear hearing is about 20kHz. At present, the commonly used sampling frequency is 11khz, 22khz and 44KHz. The higher the sampling frequency, the better the quality of sound, the larger the amount of data stored. The frequency of CD recording sampling is 44.1KHz, which has achieved the best hearing effect at present. The number of sampling data is the range of data representation of each sampling point. Currently, there are three kinds of data, which are 8-bit, 12 bit and 16 bit. Different sampling data bits determine different sound quality. The higher the sampling number, the larger the amount of data stored, the better the sound quality. CD record adopts 16 bit dual channel sampling, with a sampling frequency of 44.1KHz, thus reaching the professional level.

Audio processing includes a wide range, but the main aspects are focused on audio compression. The latest MPEG speech compression algorithm can compress the sound six times. Speech synthesis refers to the synthesis of text into language playback. At present, the synthesis level of several major foreign speech has reached the practical stage. Chinese synthesis has also made rapid progress in recent years, and the experimental system is running. The most difficult and attractive technology in audio technology is speech recognition. Although it is only in the experimental stage, it has been one of the hot spots in the research field because of its wide application prospect.

2.2 video technology

Although the development of video technology is short, the product application has been very large, and the products combined with MPEG compression technology have begun to enter the home. Video technology includes two aspects: video digitization and video coding.

Video digitization is a kind of digital signal which can be processed by computer through analog-to-digital conversion and color space transformation, which makes the computer display and process video signal. There are two kinds of sampling formats: y:u:v4:1:1 and y:u:v4:2:2. The former is the main format used by early products. Y:u:v4:2:2 format makes the color signal sampling double. The color, clarity and stability of video digitization have been improved obviously, which is the development direction of the next generation products.

Video coding technology is to encode digital video signal into TV signal, so it can be recorded in video tape or played on TV. Different technologies can be used for different application environments. From low-level game machine to television broadcasting level coding technology has been mature.

2.3 image compression technology

Image compression has always been one of the hot spots in technology, its potential value is quite large, and it is an important basis for computer processing of images and video and network transmission. Currently ISO has developed two compression standards, namely JPEG and MPEG. JPEG is a standard of static image compression, and it is suitable for continuous color or gray image. It consists of two parts: one is distortion free coding based on DPCM (spatial linear prediction), the other is distortion free algorithm based on DCT (discrete cosine transform) and Huffman coding. The former image compression has no distortion, but the compression ratio is very small. At present, the main application is the latter algorithm. The image has loss but the compression ratio is very large. When the compression is about 20 times, the distortion can not be seen.

MJPEG refers to motionjpeg, which uses JPEG algorithm to compress video signal at 25 frames / second speed to complete dynamic video compression.

MPEG algorithm is suitable for dynamic video compression. It not only encodes single image, but also uses the relevant principles of image sequence to remove the redundancy between frames, which greatly improves the compression ratio of images. Usually, the image quality is maintained and the compression ratio is up to 100 times. The disadvantage of MPEG algorithm is that the compression algorithm is complex and difficult to realize.

3. Multimedia product introduction

At present, there are many multimedia products in the market. The hardware products mainly include the following categories: sound card, voice synthesis card, CD-ROM, video card, video coding card, static image compression card, dynamic image compression card, etc. the software products include the production tools of multimedia application system, multi-media information consulting system, multimedia database, etc. When applying, the appropriate products are selected according to different requirements.

3.1 multimedia audio products

Sound card is one of the largest products in the market of multimedia products. Its main function is to store sound sampling into computer or turn digital sound into analog signal playing. Usually, it also has MIDI music synthesizer and CD-ROM controller. High-end products also have DSP device. The typical products of sound card are sound Ba card series.

In the aspect of speech synthesis card, Chinese composite card has been developed, which can synthesize the text into speech and play it. There is no mature product for speech recognition.

CD-ROM uses the same technology as laser record, which can store sound, image and other information into CD for access. It has a large capacity and no wear in use, and has become one of the important products of multimedia. At present, the development of Mo technology has produced high-speed CD-ROM drive, which has a wide application prospect. The biggest market for applications is now CD-ROM programs.

3.2 multimedia video and compression products

Video card can convert TV video signal into digital signal, and display it on VGA after superimposing with VGA signal. At the same time, it can capture video image storage disk or small window semi dynamic continuous tools, which can make application development get rid of programming problems of programming and many multimedia products. MIS (Information Management) system has been widely used in computer applications. The development of multimedia technology has made the development of multimedia MIS system a reality. At present, multi media can easily make powerful multimedia application system without writing programs.

The application prospect of industries such as transportation tourism and information consultation in professional fields is also quite broad

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Thursday, May 6, 2021

What's the use of a dongle?

What happens if you unplug the dongle plugged into the USB port of the computer?

Dongle is a kind of hardware device that looks like U disk. It is named encryption lock. Later, it has developed into a popular industry term of software protection. "Dongle" is a kind of encryption product which is inserted into the parallel port of computer and combines software and hardware (the new dongle also has USB port). Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether the softdog is inserted in the interface; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

In fact, from the perspective of programming, a. Key file is added to a small storage tool. In this way, you need to access key before you can access something

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Wednesday, May 5, 2021

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Tuesday, May 4, 2021

Production of encryption Dongle

I bought an ET199 empty dog. How to make Guanglianda encryption dog? thank you

The computer dog, namely the encryption dog, now said the encryption dog, generally is the hardware encryption dog. Is a kind of similar to the U disk, is a way of anti-theft version. Generally, a small part of the program or decryption part is integrated into the hardware of the dongle to prevent software piracy. Dongle is often considered as hardware protection. It is a small plug-in that can be attached to the parallel port, serial port or USB of the computer. It contains EPROM and customized ASIC. The principle of dongle protection is that software developers often check the cell in dongle and compare the return value in the program. This kind of check can be to read the cell directly or use some internal algorithm (at this time, the cell is protected and cannot be read directly).

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Monday, May 3, 2021

Main functions of network technology

Generally speaking, computer network can provide the following main functions:

resource sharing

The emergence of the network makes resource sharing very simple. The two sides of communication can cross the barriers of time and space and transfer information anytime and anywhere.

Information transmission and centralized processing

Data is delivered to the server through the network, and then sent back to the terminal after centralized processing by the server.

Load balancing and distributed processing

Load balancing is also one of the advantages of network. Take a typical example: a large ICP (Internet content provider) in order to support more users to visit its website, has placed WWW servers with the same content in many parts of the world; Through certain skills, users in different regions can see the same page placed on the nearest server, so as to realize the load balance of each server, and at the same time, users can save a lot of wrongs.

integrated information service

One of the major development trends of network is multi-dimensional, that is, to provide integrated information services on a set of systems, including resources from politics, economy, etc., and even to provide multimedia information, such as images, voice, animation, etc. In the trend of multi-dimensional development, many new forms of network applications are emerging

① E-mail - this should be one of the most convenient ways to communicate on the Internet. The recipient doesn't have to be on the Internet when sending e-mail, but as long as he opens the mailbox at any time in the future, he can see his own letter.

② Online trading is doing business through the Internet. Some of them need to settle accounts directly through the network, which requires high security of the network.

③ VOD - this is a new entertainment or learning project, which is widely used in intelligent community, hotel or school. Its form is similar to TV station selection, but the difference is that the program content is transmitted through the network.

④ Online conference - also known as video conference, as the name suggests, is to hold a meeting through the network. The difference between VOD and VOD is that all participants need to send images actively. In order to achieve real-time simultaneous interpreting of data, images and sounds, it puts forward the highest requirement for the speed of network processing.

The above functions of the network are just a few examples. We will use more detailed cases to enrich your understanding of the network in the future.

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asfinag.net

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Sunday, May 2, 2021

What is the dongle, how to use the dongle, the more specific the better

Now, the dongle is generally a hardware dongle.

Is a kind of similar to the U disk, is a way of anti-theft version.

Generally, a small part of the program or decryption part is integrated into the hardware of the dongle to prevent software piracy.

Dongle is a kind of software encryption product which is a combination of software and hardware inserted in the computer parallel port, and is adopted by most software developers. Generally, the encrypted dog has dozens or hundreds of bytes of nonvolatile storage space for reading and writing. Now, the newer encrypted dog also contains MCU. Software developers can check whether the dongle is inserted in the parallel port through data exchange between the interface function and the dongle (that is, read and write the dongle); Or directly use the tool attached to the dongle to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the dongle as the key to open these locks; If the dongle is not inserted or the dongle does not correspond, the software will not run normally.

"Dongle" is a kind of encryption product which is a combination of software and hardware inserted into the parallel port of computer. Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing, and now the newer dog also contains a single chip microcomputer. Software developers can exchange data with softdog through interface function (that is, read and write softdog) to check whether softdog is inserted in parallel port; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as "shell"). In this way, software developers can set multiple software locks in the software, and use the softdog as the key to open these locks; If the softdog is not inserted or does not correspond, the software will not run normally.

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Saturday, May 1, 2021

What does network technology mean?

The technology of studying the general law and calculation method of network. Also known as the overall planning method. Network technology is a technology that organically integrates the related activities of a task into a whole in the form of network diagram, and obtains the optimal effect through analysis and calculation. It is an effective method to draw up the project speed plan and manage it scientifically. The basis of network technology is network diagram. The basic method is to make network diagram first, and then use it to optimize the project plan. Network diagram is composed of four parts: process (arrow), node (circle), route, time parameter and time coordinate. Working procedure refers to material preparation and other process procedures in the project; Node is a symbol to indicate the beginning, end or process boundary of a project, which is usually indicated by a number in a circle, such as ①, ②, etc; A route is a road organized by processes connected in sequence or logical relationship, usually represented by double solid lines or thick solid lines; There are two kinds of time parameters: working hours of an operation and node parameters. The former refers to the time consumed from the start to the completion of the operation, which is usually marked below the operation with numbers; Node parameters include node, node early and node late, and node early refers to the earliest start time. The latest time to start construction is the latest time to start construction; Time coordinates are divided into cumulative date coordinates and calendar date coordinates, which are generally placed above or below the network diagram. The steps of drawing up network diagram are as follows: 1. ② Make an operation list. ③ Make a sketch. ④ Calculate and sketch the network time. ⑤ Find out the key line (the line that consumes the longest time and determines the total construction period) and calculate the total construction period. ⑥ Adjust the time coordinate of layout configuration. The fundamental way to adjust and optimize the network plan can be summarized as: to ask for time from the critical line, to ask for resources from the non critical line.

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