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COMPUTER BASIC INFORMATION

Computer Basic Information
Which of the following is required when more than one person uses a central computer at the same time?

None of these
mouse
digitizer
terminal
light pen

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

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

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Computer Basic Information
The language that the computer can understand and execute is called

Machine language
All of these
None of these
System program
Application software

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Computer Basic Information
Design qualifications do not normally include

None of these
Control provisions
Output requirements
Blueprints
Input and storage requirements

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Computer Basic Information
Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.

ROM
ANACUS
EAROM
None of these
CAM

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