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


Multi user systems provided cost savings for small business because they use a single processing unit to link several


A) Personal computers
B) Workstations
C) Dumb terminals
D) Mainframes

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Related Questions - 2


Which generation of computer is still under development


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

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Related Questions - 3


The brain of any computer system is


A) ALU
B) Memory
C) CPU
D) Control unit

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Related Questions - 4


Algorithm and Flow chart help us to


A) Know the memory capacity
B) Identify the base of a number system
C) Direct the output to a printer
D) Specify the problem completely and clearly

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Related Questions - 5


What was the computer invented by Attanasoff and Clifford ?


A) Mark I
B) ABC
C) Z3
D) None of above

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