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 two major types of computer chips are
A) External memory chip
B) Primary memory chip
C) Microprocessor chip
D) Both b and c
Related Questions - 2
Which of the following was a special purpose computer?
A) ABC
B) ENIAC
C) EDVAC
D) All of the above
Related Questions - 3
Related Questions - 4
A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
A) Memory
B) Buffer
C) Accumulator
D) Address
Related Questions - 5
Multi user systems provided cost savings for small business because they use a single processing unit to link several
A) Personal computers
B) Workstations
C) Dumb terminals
D) Mainframes