Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
Answer : B
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1) Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
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2) Which of the following memories needs refreshing?
3) Identify the correct statement
IBM PCs used RISC CPU designs
Macintosh used CISC CPU design
IBM used CISC CPU design
None of above is true
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4) Main storage is also called
5) Which of the following is not an XT microprocessor?
