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ICT
general theory notes
| Term | Definition |
|---|---|
| hardware. | hardware is any phisical part of a computer |
| hardware is made up of | (a) the cpu and memory (b) input devices(c) output devices(d) storage |
| main memory | stores programmes and data for processing |
| cpu | Central Processing Unit- The brain of the computer |
| Input Devices | These read incoming data. e.g. Keyboard, Scanner, Bar Code Reader |
| output devices | these accept information from the cpu and display results from the user eg printer moniter |
| storage devices | these keep ibnformation and instructions in the computer so they can be ussed again eg. floppy disk hard drive cd |
| mouse: | used to select text insert text or an icon by clicking and dragging |