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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Basic definitions of the Web. About IP Addresses
For Internet technologies, there are basic concepts, without knowledge of which the understanding of the principles and methods of its functioning will be quite superficial. Those who want to understand…

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How to check the monitor for dead pixels
The acquisition of a computer, laptop or other gadget is a responsible undertaking. Even in the new technology, there may be obvious and hidden defects. Dead (or dead) pixels -…

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networks

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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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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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Making the internet anonymous: TOR network
Many people are already aware that anonymity on the network is important not only for the reason that you want to visit any resources with impunity. Many users are forced…

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How does 3g internet work?
3G (third generation English) in translation means the third generation. In the context of our article, this is the 3rd generation of mobile communication technologies. Generation No. 1 - analog…

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How to check your internet connection speed
Most often, Internet users seek to save money and choose a particular provider at the cost of its services. This is a completely logical approach, but do not forget about…

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