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Computer Basic Information

Computer Basic Information
Which part of the computer were is used for calculating and comparing?

Control unit
ALU
Disk unit
Modem
None of these

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Computer Basic Information
When a logic bomb is activated by a time-related event, it is known as a:

Time-related bomb sequence
Time bomb
Virus
Trojan horse

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Computer Basic Information
Which type of computers use the 8 bit code called EBCDIC?

Supercomputers
None of these
Minicomputers
Mainframe computers
Microcomputers

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Computer Basic Information
A light sensitive device that converts drawing, printed text or other images into digital form is

OMR
Scanner
Keyboard
Plotter
None of these

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Computer Basic Information
All calculations are performed and all comparisons are made in _____ unit.

primary storage unit
central processing unit
control unit
arithmetic-logic unit
None of these

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Computer Basic Information
The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the:

Video display terminal
None of these
POS terminal
Intelligent terminal
Audio response unit

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