An example of input devices of a computer is

  • A an optical character reader
  • B a graph plotter
  • C a visual display unit
  • D a printer
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The correct answer is A. an optical character reader

Example of input devices are

Keyboard.

 Mouse,

Joystick

 Light Pen,

Track Ball, Scanner, Digitizer, Microphone, 

Magnetic Ink Card Reader(MICR)

Optical Character Reader(OCR)

 Bar Code Reader

Optical Mark Reader(OMR)

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