How does antivirus work
Few people think about how antivirus software works. Often it is installed, periodically updated, but this is where the care for the program ends. The antivirus itself is a means…

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Rules of work and behavior on the Internet
Every Internet user should be clearly aware that the Internet can not only benefit, but also cause considerable harm. To avoid trouble, strictly follow the recommendations and rules listed below.…

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

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Everything that

Apple Pay: what is it and how to use it

Apple Pay is a payment system that allows you to pay for goods in stores by attaching an Apple mobile device to the terminal. The system works according to the NFC protocol and only on terminals that accept contactless payments (they must have a PayPass or PayWave label). The system is compatible only with models older than the iPhone 6, including the iPhone SE, as well as with the Apple Watch. In the latter case, the system will be able to configure through the iPhone 5, 5s and 5c.

To pay, you need to bring the gadget to the terminal, select the card in the application and attach your finger to the Touch ID sensor. On Apple Watch, a payment is launched by double-clicking on the power button and does not require special authorization. Neither Apple Pay nor other payment services charge Continue reading

Linux operating systems

Linux is not an operating system, but just its kernel. Everything that you are accustomed to see and understand as an OS (buttons, windows and panels) – in fact, it is not. What you see is the GUI (Graphical user interface), that is, the graphical user interface, also called the graphical environment or graphical shell. GUI is a program designed to simplify the life of the user so that he does not suffer from the console. In fact, any OS looks like a console, that is, like the good old DOS.

The types of operating systems built on the Linux kernel vary widely both in providing a working environment and in the set of applications available in the OS. This is partly because some programs Continue reading

Capacitor Replacement
In the element base of the computer (and not only) there is one bottleneck - electrolytic capacitors. They contain electrolyte, electrolyte is a liquid. Therefore, heating such a capacitor leads…

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Apple iPhone OS
Preamble: Recently, all sorts of mobile and, especially fashionable, cloud technologies have captured the attention of mankind. Desktops and laptops faded into the background, giving way to more compact and…

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Windows Maintenance Programs
Computer maintenance can be both physical (dust removal, etc.) and software. The second is more related to the operating system, since the software maintenance of the PC itself at home…

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Causes and methods for resolving error 0x0000007b
If a problem 0x0000007b occurs, a blue screen appears on the monitor. The PC stops responding to any action. In some cases, a reboot may help. Such a problem often…

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