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…

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Drivers & Firmware
Very often I come across a situation where I need to find and download drivers for various devices. Especially often this has to be done when repairing computers (reinstalling the…

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Computer and vision
This article will focus on the effect of the computer on vision. Initially, the article was focused on CRT-monitors (tube), which could seriously impair vision with regular work on the…

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the network

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 open the command line in the right place (in the folder with files, for example), you need to call the context menu (RMB) with the Shift key held down:

command line call

You can read about how to work with the command line in this article. We pass directly to the teams. Continue reading

A bit about CCTV systems

When it comes to business security, peace of mind for the life and health of relatives, it is necessary to carefully approach the choice of security system. Over the past year alone, more than 100 thousand surveillance cameras have been installed in Russia!

Depending on where the camera is located, video surveillance systems can be external, internal and hidden. In any case, such systems monitor the object using a video camera. Using one or more cameras, you can follow it from one or several points.

Today, digital or analog systems are used. The first system uses analog means to record or reproduce a signal. As a result, the signal that will be transmitted from the cameras to the video surveillance monitors is presented in the same Continue reading

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 latter is fixed directly to the device and remains unchanged.

Dynamic is provided by providers: it changes every time you disconnect from the network and connect to it again. Local is designed to connect peripheral devices in one territory (this can be a home network, office or an entire enterprise), as well as to create local networks. Depending on what kind of IP a person is using, you can determine his exact location or the zone from which he goes to the Internet. Continue reading

Present day viruses
There are a huge number of computer viruses in the world. To establish their exact number (along with all modifications and upgrades) no one is taken. Instead, it is customary…

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Destination of proxies and NAT
A proxy server is the link between users and the Internet. Proxy server - a server that is constantly on the Web, transmitting all requests from the user computer to…

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IP address in detail
From Wikipedia, the free encyclopedia IP-address (IP address, short for English. Internet Protocol Address) - a unique identifier (address) for a device (usually a computer) connected to a local network…

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Computer and vision
This article will focus on the effect of the computer on vision. Initially, the article was focused on CRT-monitors (tube), which could seriously impair vision with regular work on the…

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