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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 |