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Computer Basic Information

Computer Basic Information
What is object of UPS ?

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

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Computer Basic Information
A device that prints one character at a time is kknown as

None of these
Laser printer
Line printer
Dot-Matrix printer
Character printer

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Computer Basic Information
What is the number of bits needed for an address in a 4K memory?

None of these
8
12
16
4

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Computer Basic Information
A computer port is used to?

Communicate with other computer peripherals
Donwload files
Communicate with hard disks
None of these

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Computer Basic Information
Data systems for planning are often called

decision support systems
All of these
planning analysis systems
None of these
decision analysis systems

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

Demodulator
Decoder
Modem
Modulator
None of these

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