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


Nepal brought a computer for census of 2028 BS. This computer was of


A) first generation
B) second generation
C) third generation
D) fourth generation

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Related Questions - 2


A byte consists of


A) One bit
B) Four bits
C) Eight bits
D) Sixteen bits

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Related Questions - 3


How many address lines are needed to address each machine location in a 2048 x 4 memory chip?


A) 10
B) 11
C) 8
D) 12

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Related Questions - 4


Integrated Circuits (Ics) are related to which generation of computers ?


A) First generation
B) Second generation
C) Third generation
D) Fourth generation

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Related Questions - 5


Regarding a VDU, Which statement is more correct ?


A) It is an output device
B) It is an input device
C) It is a peripheral device
D) It is hardware item

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