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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How to get rid of Webalta
One of the search engines of the Russian Internet is Webalta. She has a kind of promotion technology. This is reflected in the fact that many Internet users once detect…

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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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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

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 mobile phones, No. 2 – digital. The third generation of 3G is also used in multimedia mobile phones, the so-called smartphones. Smartphones have several ranges and the ability to transfer data at high speeds.

3G is a list of services that include mobile Internet access using radio communications, which creates a channel for transmitting information at high speed. There are two 3G standards in the world: UMTS and Continue reading

How to increase site page loading speed

Why is it critical that the site runs as quickly as possible? Here are a few arguments in favor of the need to ensure high speed loading of web pages.

1. The site loading speed is taken into account when calculating the TIC and PageRank, therefore, it affects the site’s position in the issuance of Google and Yandex.
2. Marketing research has shown that slowing down the loading of a commercial project page by just one second reduces the conversion component by almost 10%. With a site loading duration of more than five or even three seconds, there is a risk of completely losing all buyers and customers. Does your site load Continue reading

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How to set up Wi-Fi on tablets with different operating systems
A tablet is a modern and widespread gadget in our time, and it is not surprising that many users who have it are interested in the question of how to…

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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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How to fix a problem with sound on a computer
If you encounter a lack of sound on the computer, do not rush to immediately run to the service center, in most cases the situation is easy to fix on…

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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…

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