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 ALU of a computer responds to the commands coming from
A) Primary memory
B) Control section
C) External memory
D) Cache memory
Related Questions - 2
What is the main difference between a mainframe and a super computer?
A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Related Questions - 3
The word processing task associated with changing the appearance of a document is
A) Editing
B) Writing
C) Formatting
D) All of above
Related Questions - 4
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above