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Computer Basic Information

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

VDU
All of these
CRT screen
Printer
keyboard

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Computer Basic Information
To delete an incorrect character in a document, ______ to erase to the right of the insertion point.

Double click the right mouse
Press the BACKSPACE key
Press the delete key
Press the left mouse key

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Computer Basic Information
An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as

Punched paper tape
Magnetic disk
None of these
Punched card
Touch pad

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Computer Basic Information
Which of the following is not a search engine ?

Duck Duck Go
Yahoo
Examians
Google

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Computer Basic Information
Which computer memory is used for storing programs and data currently being processed by the CPU?

Non-volatile memory
Mass memory
Internal memory
PROM
None of these

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Computer Basic Information
Which is not necessary when using bar codes in supermarkets?

Point-of sale (POS) terminal
Price on the goods
Price on the shelf
None of these
Check digit on the bar code

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