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Computer Basic Information

Computer Basic Information
Which of the following is not one of the three primary functions that on-line direct-access systems can serve?

backup
inquiry
update
None of these
programming

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Computer Basic Information
Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU?

CPU
Memory
Input
Output
Storage

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Computer Basic Information
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

Light pen
Optical-wand
None of these
All of these
Plotter

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Computer Basic Information
A type of line printer that uses an embossed steel band to form the letters printed on the paper is

Band printer
Golf ball printer
Dot-matrix printer
Laser printer
None of these

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Computer Basic Information
A disk with usable recording surfaces on each side is known as

High capacity
Double-sided disk
Single-sided disk
None of these
Hard disk

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Computer Basic Information
In digital data transmission

Baud rate in equal to bit rate
None of these
Baud rate is always higher than the bit rate
Baud rate is always smaller than the bit rate
All of these

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