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Computer Basic Information

Computer Basic Information
Measuring unit of capacity of hard drive is -

GB
Gwatts
G Newton
GHz

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

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

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Computer Basic Information
Punched-card equipment was first introduced in Britain in 1904 by a small company. What was the name of that company?

Tabulator Machine Company
The Tabulator Ltd.
International Business Machines (IBM)
None of these
Accounting & Tabulating Corpn. of Great Britain

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Computer Basic Information
Which of the following isn't used in the storage phase of a computer-based information system?

None of these
Magnetic
Diskette
Hard disk
Keyboard

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Computer Basic Information
A half byte is know is

None of these
Nibble
Bit
Data
Half byte

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Computer Basic Information
A path by which communication is achieved between a central processor and other devices is called

Audit trail
Channel
Network
Bus
None of these

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