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Computer Basic Information

Computer Basic Information
The smallest logical data entity is called a data item or data

Bank
Base
None of these
Collection
Field

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Computer Basic Information
The bar code which is used on all types of items, is read by a scanning device directly into the computer.What is the name of this scanning device?

OCR
MICR
None of these
Laser scanner
Wand

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Computer Basic Information
Which of the following is used to make a programs run when the computer is switched on.

Bubble
Autoboot
Warmboot
Authentication
None of these

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Computer Basic Information
Which of the following can store information in the form of microscopic pits on metal disks.

Tape cassettes
Punched cards
None of these
RAM cartridge
Laser disks

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Computer Basic Information
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?

None of these
Dvorak keyboards
Mechanical keyboards
Qwerty keyboards
Capacitance keyboards

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Computer Basic Information
Which of the following can be output by a computer?

voice
All of these
text
computer-usable data or information
graphics

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