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Computer Basic Information

Computer Basic Information
A section of code that may only be executed by one process at any one time is

Gray code
Critical region
CPM
None of these
Critical resource

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Computer Basic Information
One million bytes of information is abbreviated as

KB
None of these
MB
Bit
GB

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Computer Basic Information
Methods used to organise and physically store disk data are cylinder and

Surface
None of these
Track
Hib
Sector

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Computer Basic Information
Which access method is used for obtaining a record from a cassette tape

random
None of these
direct
All of these
sequential

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Computer Basic Information
Which of the following is considered a direct-entry input device?

light pen
mouse
All of these
optical scanner
digitizer

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Computer Basic Information
Hardware _____ memory is seldom used in modern computers.

PROM
LIFO
ROM
None of these
RAM

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