Question :
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
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
The basic operations performed by a computer are
A) Arithmetic operation
B) Logical operation
C) Storage and relative
D) All the above
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
Related Questions - 3
Computers with 80286 microprocessor is
A) XT computer
B) AT computers
C) PS/2 computer
D) None of above
Related Questions - 4
An integrated circuit is
A) A complicated circuit
B) An integrating device
C) Much costlier than a single transistor
D) Fabricated on a tiny silicon chip