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Computer Basic Information

Computer Basic Information
A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.

Demodulator
None of these
Modem
Decoder
Modulator

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Computer Basic Information
Graphical pictures that represent an object like file, folder etc are:

Desktop
Windows
Icons
None of these
Task bar

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Computer Basic Information
A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is ........

Bug
Lice
Worm
Vice
None of these

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Computer Basic Information
What is object of UPS ?

Using for storage
To increase the speed of a computer
All of the listed here
Provides backup power

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Computer Basic Information
The minimum number of MOS transistors required to make a dynamic RAM cell is

1
4
None of these
2
3

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Computer Basic Information
When customers of a Web site are unable to access it due to a bombardment of fake traffic, it is known as:

A Trojan Horse
A virus
A denial of service attack.
Cracking

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