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
ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?
A) Extended Binary Coded Decimal Interchange Code
B) Extended Bit Code Decimal Interchange Code
C) Extended Bit Case Decimal Interchange Code
D) Extended Binary Case Decimal Interchange Code
Related Questions - 2
A register organized to allow to move left or right operations is called a ____
A) Counter
B) Loader
C) Adder
D) Shift register
Related Questions - 3
Modern Computers are very reliable but they are not
A) Fast
B) Powerful
C) Infallible
D) Cheap
Related Questions - 4
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board ?
A) Motherboard
B) Breadboard
C) Daughter board
D) Grandmother board
Related Questions - 5
Nepal brought a computer for census of 2028 BS. This computer was of
A) first generation
B) second generation
C) third generation
D) fourth generation