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 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 - 2
An application suitable for sequential processing is
A) Processing of grades
B) Payroll processing
C) Both a and b
D) All of above
Related Questions - 3
A high quality CAD system uses the following for printing drawing and graphs
A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above
Related Questions - 4
A technique used by codes to convert an analog signal into a digital bit stream is known as
A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management
Related Questions - 5
What are the stages in the compilation process ?
A) Feasibility study, system design and testing
B) Implementation and documentation
C) Lexical Analysis, syntax analysis, and code generation
D) None of the above