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
Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator
Related Questions - 3
Computers with 80286 microprocessor is
A) XT computer
B) AT computers
C) PS/2 computer
D) None of above
Related Questions - 4
Related Questions - 5
Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd.