I/O Peripherals

Peripheral devices (a.k.a.: Input/Output devices)  

  1. Input devices (e.g., mouse, key board, scanner, disks…)
    1. Enables human users to enter data into the computer (= machine)
    2. The data will be stored inside the computer in such a way that the computer can use it effectively
  2. Output devices (e.g., terminal, printer, disks, …)
    1. Enables the computer to show data stored inside the computer to a human user in a “humanly” way
  3. Peripheral devices are auxiliary devices that allow users to:
    1. Enter inputs into the computer
    2. Obtain outputs from the computer