Just about the complex: how a computer works?

I Believe that once you have read this article with the online resource, therefore, with a device such as a computer, familiar, seen it and imagine how it looks.

Do you ever over how a computer works? In fact, besides these, of course, important components like monitor, CPU, keyboard and mouse, there are components that can only be seen by looking inside. It's the video card, RAM, hard drive and CPU.

Even if you do not have the necessary knowledge, to open the cover of your system unit or to spin the monitor, I would not advise you. First, something irreparably broken, and secondly, in fact still do not understand.

I Propose to start with a purely theoretical knowledge.

Section 1. How a computer works? Imagination, ladies and gentlemen, the imagination!

So, I think we already decided that nobody will try to pick open and raskurochit system unit, to become better acquainted with its contents.

What else?

I Suggest to imagine the picture. Not some masterpiece of world painting, but rather something like children's doodles. Desk with pull-out shelves, which is our computer, consisting of a monitor, system unit, keyboard, mouse, and perhaps add a couple more columns. Well, I imagine? Now side by side with all of it draw man, in this case, yourself. Ready?

Now let me tell you a secret: this man – this is actually a very powerful dual-core processor type INTEL (or ATLON). While it is possible that he is not a dual core… In this case it is not so important. There is quite logical question of how and why processor because this device is like the brain of modern man is able to calculate in advance the thousands of different operations. This kind of brain, and how to work a computer without a brain? No way!

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Go ahead. The monitor depicted in our virtual figure that would be the video card. The surface of the Desk, turn in memory, but the drawers of the table will replace our hard disk, also called a Winchester. Now “connect” all to the motherboard (well, in our case to the base of the table). Ready?

It is on this principle of connecting the device operates.

Section 2. How a computer works in General and each of the constituent parts separately.

Back to our picture: you sit at the table, i.e., represent the CPU inserted into the motherboard, and your room – this is not that other, as system unit.

Enough imagination?

Imagine a situation when it comes to the average user presses the power button. To the CPU (i.e. in this case, you) receives a signal and it starts to work.

If the user wants to watch a movie or to open a desired document, it will send “you” signal. You will climb into the drawer of the Desk (i.e. hard drive) and dig out everything there you need.

The RAM runs thousands of times faster than the CPU, it speeds up the process of finding particular information. It really resembles the surface of the table and allows everything you need to keep in mind, not to climb each time in the Desk drawers, thereby wasting time and energy.

It seems to Me that now everyone seeking to learn how a computer works, quite reasonably asks, why then need a hard drive if to extract from him the material for a very long time.

The thing is that the hard drive, which has considerable volume, can be seen as a kind of repository. Think for yourself, what is the surface of the table compared to all the free space, which contain the lockers? In addition, the RAM cannot work without constant power supply, therefore it is necessary only to disconnect the computer from the network, as all stored information will be moved again to the hard drive.

Step 3. How a computer works? Conclusion.

Now let's summarize. So, everything inside the computer manages the processor, it processes all stored here in order to use the data. RAM is needed in order to speed up the processor. Winchester - a kind of repository of information.

Graphics Card, as you might have already guessed, is necessary in order for the user to see everything that happens on the monitor. The better and higher the settings, the image quality will be better.

Sound card on our virtual drawing was presented by the speaker, is responsible for all sounds on the PC, thereby freeing processor time for processing other data. We can not say that now in most cases it is already built into the motherboard.

How to learn to operate the computer people, not knowing all of the above. We live and breathe, although not everyone is aware of how the lungs and heart. And so with a PC. . But for some, perhaps, boring.