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Computer Basic Information

Computer Basic Information
An optical input device that interprets pencil marks on paper media is

O.M.R
Punch card reader
Optical sacnners
Magnetic tape

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Computer Basic Information
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

All of these
Light pen
Plotter
None of these
Optical-wand

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Computer Basic Information
Data division is the third division of a _____ program.

PASCAL
COBOL
BASIC
None of these
FORTH

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Computer Basic Information
A device used to measure the circuit density of a chip is

LSI
Light pen
All of these
Mouse
None of these

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Computer Basic Information
The output of a 2 input OR gate is 0 only when its

both inputs are 0
either input is 0
None of these
both inputs are 1
either input is 1

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Computer Basic Information
Backing storage is so named because it

is always kept at the back of the CPU
None of these
lags behind the main memory
backs up the computer
is slow and backward

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