year 7 revision 7.2

year 7 revision 7.2

1. hardware

   • hardware is the physical parts of a computer

2. input

   • an input device is any piece of computer hardware used to provide data to a computer system.

3. output

   • an output device is any piece of a computer hardware used to communicate the results of data that has been processed.

4. storage

   • a storage deviseis a piece of computer equiptment wich can be used tostore data

5. peripherals

   • a peripheral device is defined a a computer device such as a keyboard or a printer, that is not part of the essential computer

6. memory

   • the memory is part of a computer that stores data

7. embedded

   • embedded computers are used in car engines spacecraft and MP3 players they are dedicated to systems

8. magnetic

   • used for backup of important files from the hard disk and for the long term storage and archiving of data.

9. solid state

   • solid state devices are non-volatile random access

10. optical

    • optical devices use a laser to scan the surface of a disk made from metal and plastic.

11. cpu

    • the purpose of the CPU is to process data the CPU is where processes such as calculating and sorting take place.

12. RAM

13. processing