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
What is the date when Babbage conceived Analytical engine
A) 1642
B) 1837
C) 1880
D) 1850
Related Questions - 2
A modern electronic computer is a machine that is meant for
A) Doing quick mathematical calculations
B) Input, storage, manipulation and outputting of data
C) Electronic data processing
D) Performing repetitive tasks accurately
Related Questions - 3
From which generation operating systems were developed ?
A) First
B) Second
C) Third
D) Fourth
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
Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator