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


What is the date when Babbage conceived Analytical engine


A) 1642
B) 1837
C) 1880
D) 1850

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Related Questions - 2


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 - 3


ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?


A) Extended Binary Coded Decimal Interchange Code
B) Extended Bit Code Decimal Interchange Code
C) Extended Bit Case Decimal Interchange Code
D) Extended Binary Case Decimal Interchange Code

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Related Questions - 4


Machine language is


A) Machine dependent
B) Difficult to program
C) Error prone
D) All of above

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Related Questions - 5


Each set of Napier’s bones consisted of ______ rods.


A) 5
B) 9
C) 11
D) 13

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