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
Software in computer
A) Enhances the capabilities of the hardware machine
B) Increase the speed of central processing unit
C) Both of above
D) None of above
Related Questions - 2
A compiler is a translating program which ____
A) Translates instruction of a high level language into machine language
B) Translates entire source program into machine language program
C) It is not involved in program’s execution
D) All of above
Related Questions - 3
Which was the most popular first generation computer ?
A) IBM 1650
B) IBM 360
C) IBM 1130
D) IBM 2700
Related Questions - 4
Which of the following is the first computer to use Stored Program Concept ?
A) UNIVAC
B) ENIAC
C) EDSAC
D) None of above
Related Questions - 5
Which of the following produces the best quality graphics reproduction ?
A) Laser printer
B) Ink jet printer
C) Plotter
D) Dot matrix printer