INPUT DEVICES & DIRECT DATA ENTRY

Input Devices

Characteristics of Input Devices

  • Input devices: allow users to enter data or instructions into a computer system e.g.:
    • Keyboard
    • Mouse
    • Scanner
    • Microphone
    • Touch screen

Differences between Input & Output Devices

  • Input devices send data or instructions to the computer, while output devices receive data from the computer
  • Input devices are used for user interaction and data entry, while output devices display or produce the results of data processing

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