1. Computer and its components Computer Skills university of Palestine

2. Contents: * Components of hard ware *Definitions * computer Types * Computer Components * Definition of software *Definition of hardware

3. 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 Types 1-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

4. Computer Components software hardware *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

5. Hardware Components 7-processor 14-RAM Memory 13-Cache 2-Case 4-Key Board 3-Mouse 6-Mother board 12-Floppy Disk 1-Monitor 11-card Graphic 9-Printer 8-Modem 5-speaker 10-scanner 15-Rom Memory 16-Mic

6. 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 Case Is the a box you put it in the internal computer components, and it is one of the easiest parts of the choice processor The processor is the mind Personal Computer and the control of all operations and its more expensive device in the computer Mother board Motherboard 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.

7. card Graphic Is 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

8. RAM Random 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 RAM SDRAM: RDRAM: DDRAM: Single Data Rate Random Access Memory Dual Data Rate Synchronous Dynamic Random Access Memory Rambus Dynamic Random Access Memory