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 :



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A byte consists of


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B) Four bits
C) Eight bits
D) Sixteen bits

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


A) 10
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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
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