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Computer Basic Information

Computer Basic Information
Which of the following are the building blocks of all the circuits in a computer.

Instructions
None of these
Logic gates
Circuit switch
Logical Operators

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

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

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

None of these
All of these
Mouse
Light pen
LSI

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Computer Basic Information
What was the computer conceived by Babbage?

All of these
Donald Knuth
Arithmetic Machine
Analytical Engine
None of these

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Computer Basic Information
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

Status
Interrupts
Bus control
Bus arbitration
None of these

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Computer Basic Information
Sequential file organization is most appropriate for which of the following applications?

airline reservations
None of these
bank checking accounts
payroll
grocery-store checkout

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