Computer Basic GK Questions and Answers

13. The most widely used input device is the
  A.  Keyboard
  B.  Mouse
  C.  Modem
  D.  Monitor
Answer
Ans: A
Keyboard
14. The CPU comprises of Control, Memory, and _____ units.
  A.  Microprocessor
  B.  Arithmetic/Logic
  C.  ROM
  D.  Output
Answer
Ans: B
Arithmetic/Logic
15. Back up of the data files will help to prevent
  A.  Loss of confidentiality
  B.  Duplication of data
  C.  Virus infection
  D.  Loss of data
Answer
Ans: D
Loss of data
16. Which part of the computer displays the work done?
  A.  RAM
  B.  ROM
  C.  Monitor
  D.  Printer
Answer
Ans: C
Monitor
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