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Computer Basic Information

Computer Basic Information
No computer can do anything without a

memory
None of these
output device
program
chip

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Computer Basic Information
Computer virus is a ___

Hardware
Software
Bacteria
Freeware

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Computer Basic Information
Access time in a computer memory is the time required to

Retrieve the stored data
All of these
None of these
Both locate and retrieve the data
Locate the stored data

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Computer Basic Information
The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called

None of these
ASCII
EBCDII
BCD
All of these

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Computer Basic Information
The bar code which is used on all types of items, is read by a scanning device directly into the computer.What is the name of this scanning device?

OCR
MICR
Laser scanner
Wand
None of these

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Computer Basic Information
Which of the following operating systems is produced by IBM?

DOS
OS-2
UNIX
Windows

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