Computer motherboard, what is it for and what does it look like
The computer motherboard is that foundation on which all the components of the system unit are built. The role of the computer motherboard cannot be overestimated. After all, it depends…

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Solving a problem with a laptop webcam: no picture (black screen)
In our repair practice, sometimes there are "mystical" cases. We have: a new HP laptop. The camera is visible in the device manager. It’s written in the camera’s properties that…

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Liquid and air cooling of the computer
Now almost every house has a computer. These electronic machines consume kilowatts from our outlets. Of these, only a small part is spent directly on calculations, and the rest is…

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Computer video card and its purpose

A video card is that device with which the image is displayed on the monitor. Those. without a video card, we won’t see any text or images on the screen, and in general, computer operation without a video card is impossible.

There are two types of video cards: external video cards (discrete) and built-in (onboard from English “On board” – on the board). Let’s look at these concepts together in more detail. There are two monopolists on the external video card market now. These are California-based Nvidia and Canadian ATI Technologies. In 2006, the latter was also purchased by the American processor company AMD (Advanced MIcro Devices). Continue reading

Computer Central Processing Unit (CPU)

Today we are considering the central processing unit of the computer CPU (Central Processing Unit – Central Processing Unit or CPU). This is the heart of the system unit or, if you like, its brain! In computer jargon it is sometimes called “stone” (crystalline silicon really looks like a stone).

This is the main processor of information coming into the computer. The central processor performs all the necessary mathematical operations with the incoming data, makes various samples from the databases, archives and unzips our files, deals with video encoding, processes the model of the physical interaction of particles in your favorite computer game, finally! Continue reading

Computer system unit, device and composition

So, what does the computer system unit consist of? An important clarification here is that under the word “computer” different people can mean, oddly enough, different things: a monitor, a printer, a computer case, even … a computer mouse! But what about? Indeed, “the arrow on the monitor does not move” means that the computer is not working! 🙂 But you and I will be interested in exactly that “iron box that stands under the table”, and the name is its system unit! 🙂

Note: the system unit, as a rule, is called a computer already assembled and ready for operation, and the case is just an iron box into which its various components can be installed.

For greater clarity (to consider all the components of the computer separately), you can read the article on assembling a computer with your own hands. Continue reading

Computer motherboard, what is it for and what does it look like
The computer motherboard is that foundation on which all the components of the system unit are built. The role of the computer motherboard cannot be overestimated. After all, it depends…

...

Solving a problem with a laptop webcam: no picture (black screen)
In our repair practice, sometimes there are "mystical" cases. We have: a new HP laptop. The camera is visible in the device manager. It’s written in the camera’s properties that…

...

Printer prints white sheets - what to do
The printer prints white sheets - a situation that has occurred in almost every office worker or owner of this device, who uses it at home. The bulk of users…

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WinLock: Windows Blocker
WinLock is a family of computer viruses that interfere with the operation of a computer and require a cash payment in favor of the author. WinLock is a separate family…

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