How long can I sit at a computer?
Computing has become literally a part of life. Computers and tablets - it’s impossible to imagine a single day when only a couple of minutes were spent in front of…

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VPN Basic Concepts and Classification
The term VPN (Eng. "Virtual Private Network") refers to a group of technologies that provide a network connection, or the so-called logical network, functioning on top of some other network,…

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What is a firewall and why is it needed?
We will not go into little things like translating words, occupying them some part of the article. Just point out that a firewall (from the English - fire wall), or…

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WiFi router – what is it and how to choose it correctly

Nowadays it is already difficult to meet a person who does not use a computer and does not have his home. Often people buy several computers, many also have laptops and smart phones – communicators.

A router or router is a network device that performs the function of forwarding data packets between network segments, in other words, the device helps to build a network between computers connected to it and, if possible, connect to the Internet. More modern routers can additionally perform a number of useful functions – for example, you can restrict access to potentially dangerous sites, enable a firewall, encrypt traffic, and so on.

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Why does the computer not see the USB flash drive? 8 reasons
Sometimes at the most inopportune moment, when it is urgent to remove information from a USB flash drive to a PC, the computer refuses to see the new device. It…

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File encryption
Encryption is the most common and essentially the simplest way to protect any information. After all, it seems that it could be simpler to take the text, take some algorithm…

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Installing a cooler on a processor
Background to the experiment: CPU cooling (LGA775 socket) was provided by the CNPS7700-AICu cooling system. Intel Pentium D930 processor, was purchased in 2005. At that time, quite powerful and expensive.…

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Bat files, examples
You can perform all the examples published below not only by creating and running a BAT file containing these commands, but also copying them directly to the command line. To…

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