Input devices, processing & output devices

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Candidates should be able to:

  • understand the need for input and output devices
  • describe suitable input devices for a wide range of computer controlled situations
  • describe suitable output devices for a wide range of computer controlled situations
  • discuss input and output devices for users with specific needs.

Why does a computer system need input devices?
Input devices are needed so that data can be entered into a computer system, to be stored or processed.

Some input devices are manual, such as a keyboard or mouse, and . . .

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