CBSE Class 9 Computer Applications Question 29 of 72

Input and Output Devices — Question 1

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1
Question

Question 1

Which of the following is not an I/O device?

  1. Printer
  2. CPU
  3. Plotter
  4. Scanner
Answer

CPU

Reason — CPU is the brain of the computer Printer and plotter are output devices and scanner is an input device.