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Computer Basic Information

Computer Basic Information
A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is

Demodulation
Modulation
Signalling
Channel
None of these

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Computer Basic Information
A device used to measure the circuit density of a chip is

Light pen
LSI
All of these
None of these
Mouse

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Computer Basic Information
The computer translates the condition of each switch to a number. What number is represented by the ON state?

1
3.75
7
22

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Computer Basic Information
The benefit of using computers are that

None of these
Computers are designed to the inflexible
All of these
Computers produce accurate output even when the input is incorrect
Computers are very fast and can store huge amounts of data

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Computer Basic Information
Which of the following is non-impact printer?

Laser printer
Line printer
Chain printer
Drum printer
None of these

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Computer Basic Information
A wireless network uses .......... waves to transmit signals.

Magnetic
None of these
Mechanical
Radio
Sound

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