Question :

Which of the following is not an input device ?


A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)

Answer : D

Description :



Related Questions - 1


Why are vacuum tubes also called valves?


A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above

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Related Questions - 2


The first computer introduced in Nepal was


A) IBM 1400
B) IBM 1401
C) IBM 1402
D) IBM 1403

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Related Questions - 3


Chief component of first generation computer was


A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above

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Related Questions - 4


What are the three decisions making operations performed by the ALU of a computer?


A) Grater than
B) Less than
C) Equal to
D) All of the above

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Related Questions - 5


What is the main difference between a mainframe and a super computer?


A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

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