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
Computer is free from tiresome and boardoom. We call it
A) Accuracy
B) Reliability
C) Diligence
D) Versatility
Related Questions - 2
Which generation of computer is still under development
A) Fourth Generation
B) Fifth Generation
C) Sixth Generation
D) Seventh Generation
Related Questions - 3
Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
A) Track number
B) Sector number
C) Surface number
D) All of above
Related Questions - 4
The two kinds of main memory are :
A) Primary and secondary
B) Random and sequential
C) ROM and RAM
D) All of above
Related Questions - 5
A set of flip flops integrated together is called ____
A) Counter
B) Adder
C) Register
D) None of the above