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The Parts of a Computer

The Parts of a Computer. Cheltenham Courseware. System Unit. The main PC box which houses the various elements which go together to make up the PC. Contains items such as the computer memory, hard disk and DVD drives. System or Mother board. Contained within your system unit

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The Parts of a Computer

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  1. The Parts of a Computer Cheltenham Courseware

  2. System Unit • The main PC box which houses the various elements which go together to make up the PC. • Contains items such as the computer memory, hard disk and DVD drives.

  3. System or Mother board • Contained within your system unit • The CPU is normally housed on your system board • Items such as the hard disk are attached to the system board, either directly or via cables.

  4. Screen • TV type screen on which you view your programs. They are supplied in different sizes, common sizes range from 15" to 21" screens. • Poor quality or badly maintained monitors can harm your eyesight.

  5. CPU • One of the most important components within your computer • Determines how fast your computer will run and is measured by its GHz speed

  6. Memory (RAM) • RAM (Random Access Memory) • Is where the operating system is loaded to when you switch on your computer and also where your applications are copied to when you start an application, such as a word processor or database program.

  7. Keyboard • Allows you to type information into the computer

  8. CPU • One of the most important components within your computer • Determines how fast your computer will run and is measured by its GHz speed

  9. Hard Disk • The main storage area within your computer. • Used to store your operating system, your application programs (i.e. your word processor, games etc) and your data. • Hard disks are installed within the system unit of your computer.

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