Computer

Computer

1. Hard Drive

   • stores all the data that can be used

2. CPU

   • central processing unit, contains the ALU and cache memory

3. Graphics Card

   • it allows images to be rendered and shown on the computers monitor 

4. RAM

   • (Random access memory)main memory of a computer that stores data, applications and the operating system whilst in use. when Computer turns off RAM loses all data.

5. ROM

   • (Read only access)a store for data in a computer that cannot be over written. the data in ROM is always available and it is not lost once the computer turns off.

6. Motherboard

   • Central printed circuit board(PCB) that holds the crucial components of the system

7. Sound Card

   • It allows sound to be outputted 

8. Heat Sink

   • this cools down the computer when ever it gets too hot

9. Peripherals

   • are the devices that are attached to and used with the computer for example keyboard and mouse.

10. power supply unit

    • the power supply unit is what powers the computer 

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