Peripherals cannot Serve as Input and Output

Which One of the Following Peripherals Cannot Serve as Both Input and Output Devices?

  1. Tele-printer
  2. Floppy disk drives
  3. Scanner
  4. Optical disc drives
Monis Rasool Professor Asked on 29th October 2015 in Computers.
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1 Answer(s)

Answer: (3) Scanner 

Anurag Mishra Professor Answered on 3rd January 2016.
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