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Computer Basic Information

Computer Basic Information
Which of the following devices can be used to directly input printed text?

OMR
MICR
All of these
None of these
OCR

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

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

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Computer Basic Information
Which part interprets program instructions and initiate control operations.

Logic unit
Control unit
None of these
Storage unit
Input

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Computer Basic Information
The essential features of a number system are

Both A & B
None of these
bits
Radix
Set of distinct counting digits

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Computer Basic Information
The flow and timing to data to and from the microprocessor is regulated by

control pins
data pins
None of these
power pins
address pins

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Computer Basic Information
Which of the following is not a search engine ?

Duck Duck Go
Google
Examians
Yahoo

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