Question :

When was vacuum tube invented ?


A) 1900
B) 1906
C) 1910
D) 1880

Answer : B

Description :



Related Questions - 1


Which of the following is the first computer to use Stored Program Concept ?


A) UNIVAC
B) ENIAC
C) EDSAC
D) None of above

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Related Questions - 2


in which year was UK’s premier computing event called ?The which computer? started ?


A) 1980
B) 1985
C) 1986
D) 1987

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Related Questions - 3


Which of the following is not an input device ?


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

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Related Questions - 4


What is required when more than one person uses a central computer at the same time ?


A) Light pen
B) Mouse
C) Digitizer
D) Terminal

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Related Questions - 5


A modern electronic computer is a machine that is meant for


A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately

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