Question :

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

Answer : B

Description :



Related Questions - 1


When was Pascaline invented ?


A) 1617
B) 1620
C) 1642
D) 1837

View Answer

Related Questions - 2


Which generation of computer is still under development


A) Fourth Generation
B) Fifth Generation
C) Sixth Generation
D) Seventh Generation

View Answer

Related Questions - 3


An integrated circuit is


A) A complicated circuit
B) An integrating device
C) Much costlier than a single transistor
D) Fabricated on a tiny silicon chip

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Related Questions - 4


Magnetic disks are the most popular medium for


A) Direct access
B) Sequential access
C) Both of above
D) None of above

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Related Questions - 5


Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?


A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd.

View Answer