Computer Devices

Any device connected internally or externally to a computer and used in the transfer of data. A personal computer or workstation processes information. Data (unprocessed information) must get into the computer, and the processed information must get out. Entering and displaying information is carried out on a wide variety of accessory devices called peripherals, also known as input/output (I/O) devices. Some peripherals, such as keyboards, are only input devices; other peripherals, such as printers, are only output devices; and some are both.


Computer devices has divided into two categories, they are:

  1. Input devices
  2. Output devices


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