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
Machine language is
A) Machine dependent
B) Difficult to program
C) Error prone
D) All of above
Related Questions - 2
Which of the following is not processing ?
A) arranging
B) manipulating
C) calculating
D) gathering
Related Questions - 3
People often call ______ as the brain of computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit
Related Questions - 4
The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
A) 16 digits
B) 6 digits
C) 9 digits
D) All of above
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