How does a computer and is included in its composition?

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One of the first questions that novice users: "How does a computer?" After all, in order to confidently work on it, you must understand its organization and understand what is included in its composition.It is this information, and will be considered under this article.

General view

The structure of any modern PC includes the following elements:

  • Monitor.
  • System unit.
  • Input and output devices.

monitor is designed to display information.With it easy and simple organized user interaction with the computer.System unit connects the individual components located outside.Connected to it, and monitor the entire periphery.But what's inside the computer inside the system unit, will be described in the next section.This includes a number of components, and must be considered separately.Now we find out what's inside the computer from the position of the organization of the input and output.This class of device is its entire periphery.This is a mouse and keyboard, and a scanner, and a printer.The first three are only used for inputting information.Last prints it on paper.Now all have become very popular multi-function device that combines not only a printer with a scanner and copier.

System unit

The system unit contains the following components of a personal computer:

  • processor with a fan for cooling.
  • video card.
  • motherboard.
  • RAM.
  • Hard Drive.
  • power supply.
  • Reader.
  • CD-ROM drive.

Processor - is the main chip in the system.It is installed on the motherboard.It consists of a controller cache (fast memory to store your most important data), registers, memory and arithmetic-logic unit.It is what's inside the computer's processor.It is strongly heated during operation.Therefore, to use its cooling fans, which are called coolers.

video card is installed in the main PC board.Its main task - is the output image on the screen.It is equipped for this purpose a single powerful chip and its own memory.The motherboard is the unifying element of the whole system.It all set or subscribe.

storage subsystem on the PC consists of two components: volatile and long-term storage.In the first case it is the RAM, which has a high speed, but is turned off completely reset.And the second - a hard drive that stores the data for a long time.This is how computer memory is arranged.

power unit responsible for organizing the supply system.This is a separate "box", which is set at the top or bottom of the back of the system unit.Reader drive and compact discs similar.They work with removable media.The first organizes the work with different types of flash drives, and the second - with compact discs (CD, DVD, and Blu-ray, depending on the model).

Conclusion

important to understand what's inside your computer.In this way it will be easier to operate.Also, when a fault they will be able to diagnose and fix.It is from this position need to know and understand the structure of modern computers.