Computer and

its componentsComputer

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university of Palestine

Contents:

*Components of hard ware

*Definitions

* computer Types

* Computer Components

*Definition of software

*Definition of hardware

Definitions

The computer is an electronic machine used to process the data entered for the device, by the CPU to obtain useful information, and is done by programs that are known to the computer.

computer Types1-Computers Network :a group of computers linked with each other and more than one user can work on them

2-PC (Personal Computer): is used for one person only

Computer Components

softwarehardware

*Definition of software: All the systems and programs through which communication between the user and the computer to run certain tasks

*Definition of hardware: In general is the physical components of the computer

Hardware Components

7-processor14-RAM Memory13-Cache

2-Case

4-Key Board3-Mouse

6-Mother board

12-Floppy Disk

1-Monitor

11-card Graphic

9-Printer

8-Modem

5-speaker

10-scanner

15-Rom Memory16-Mic

We are dealing with the computer through the screen, and therefore a very important part of computer, convenient Screens make you enjoy dealing with the computer

Monitor

CaseIs the a box you put it in the internal computer components, and it is one of the easiest parts of the choiceprocessorThe processor is the mind Personal Computer and the control of all operations and its more expensive device in the computer Mother boardMotherboard is a card linked to by all the computer units, such as: the screen, and storage units, the printer, and modem card. And stick to this board processor and electronic memory and mouse and keyboard .

card GraphicIs one of the units of the task determine the clarity of the image on the screen, and must contain the memory electronic of appropriate Depending on usage

Cache is another type of memory used to transfer data between the processor and electronic memory quickly, which is similar in function electronic memory, is where you put the computer data and information which will be used by programs, which now operates

RAMRandom Access Memory and shortened RAM and this type of memory temporarily because the information is unloaded automatically from him as soon as the restart

Types of RAMSDRAM:

RDRAM:DDRAM:

Single Data Rate Random Access MemoryDual Data Rate Synchronous Dynamic Random Access MemoryRambus Dynamic Random Access Memory

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