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Computer Basic Information

Computer Basic Information
A hand-held device for optically reading bar codes on goods, labels & shelves is

Mouse
Touch tablet
None of these
Light pen
Wand

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Computer Basic Information
Which of the following is not an output device of a computer?

VDU
CRT screen
keyboard
Printer
All of these

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Computer Basic Information
A program that performs a useful task while simultaneously allowing destructive acts is:

Trojan Horse
Virus
Worm
Macro Virus

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Computer Basic Information
Primary storage is _____ as compared to secondary storage.

Fast and expensive
None of these
Slow and expensive
Slow and inexpensive
Fast and inexpensive

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Computer Basic Information
Which one of the following is not an application software package?

Adobe Pagemaker
None of these
Red Hat Linux
Microsoft Office
Open Office

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Computer Basic Information
The most recent version of the Mac OS is based on the ......... operating system.

CMOS
None of these
Unix
Windows
Linux

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