What is a DNS address?
Briefly indicate the meaning and importance of DNS for the Internet, it is no exaggeration to say that this is one of the foundations of the World Wide Web. Absolutely…

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What is a domain controller
A domain controller provides centralized management of network devices, that is, domains. The controller stores all the information from the accounts and parameters of network users. These are security settings,…

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Information Protection in Computer Networks: Antivirus Solutions
If earlier the transfer of dangerous software (software) took place mainly on such media as floppy disks, optical disks, and so on, then in the conditions of the rapid development…

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The computer does not turn on: the problem is in the power supply

All PC malfunctions falling under the “computer does not turn on” category boil down to one single problem: it is impossible to download any of the known operating systems to the computer, including the MS-DOS boot disk and the secure MS Windows product. The “symptoms” of this problem are as follows:

the monitor remains dark;
PC does not respond to user actions;
after trying to turn on the PC, it screams frighteningly or reports an error.
If you are familiar with all of the above, then it is entirely possible that the problem lies in the power Continue reading

PC system unit: device and the role of the motherboard

System unit: internal content

The main component of any computer is thePC system unit, since it is in it that all the important elements and nodes are located, due to which the PC is able to fully function. The system unit is a metal box (case), “stuffed” with certain content. In particular, the system contains:

electronic circuits that control the operation of the PC (RAM, or OP, processor, motherboard, device controllers, and so on); Continue reading

What to do if the keyboard does not work on the computer

Why the computer keyboard does not work

Each computer user may have a keyboard problem, and in this case, you need to find the answer to the question: why the computer keyboard does not work and how to fix it. There are many different reasons that cause the keyboard to malfunction, but all of them can be divided into two categories: software reasons and hardware reasons. In simpler terms, either the keyboard itself is faulty, or the problem is caused by a failure in the operating system settings. Consider the most common “symptoms” of a problem. Continue reading

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Virtual addiction: went online and never returned
A few years ago, people could not even imagine that using various information, conducting trainings and communicating with friends would be possible without leaving home. Currently, the Internet opens up…

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Shared hosting
Shared or shared hosting is the best solution in a situation of limited funding for a web project. Or when starting a startup - no one can guarantee that a…

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How to calculate a person’s location by IP
Each computer has its own network card - IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The…

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