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


From which generation operating systems were developed ?


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

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Related Questions - 2


Once you load the suitable program and provide required data, computer does not need human intervention. This feature is known as


A) Accuracy
B) Reliability
C) Versatility
D) Automatic

View Answer

Related Questions - 3


A register organized to allow to move left or right operations is called a ____


A) Counter
B) Loader
C) Adder
D) Shift register

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Related Questions - 4


Which of the following is used as a primary storage device ?


A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above

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Related Questions - 5


The difference between memory and storage is that memory is _____ and storage is ______


A) Temporary, permanent
B) Permanent, temporary
C) Slow, fast
D) All of above

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