1. Optical scanner
  2. Mouse
  3. Light pen
  4. Digitizer
  5. All of the above
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1 Answers

Answer: Option 5

In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks and microphones.

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