Why are vacuum tubes also called valves?
Home | Discussion ForumWhy are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
Answer : B
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1) A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
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2) Which of the following computer is not invented by J.P. Eckert and John Mauchly?
3) John Napier invented Logarithm in
4) One of the popular mass storage device is CD ROM. What does CD ROM stand for?
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
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5) Which of the following is the most powerful computers?
