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Computer Basic Information

Computer Basic Information
What is the name given to the 8-bit unit used for coding data?

None of these
word
block of characters
KB
byte

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Computer Basic Information
A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as

Machine-in-built computer
None of these
Mini computer
Micro computer
Super computer

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Computer Basic Information
What is the most common tool used to restrict access to a computer system?

Access-control software
Passwords
Computer keys
User log in

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Computer Basic Information
The main purpose of the off line device is

None of these
To reduce the no.of operator errors in recording data
To save floor space in the computer centre
All of these
To save computer time

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Computer Basic Information
What is the name of the reading device which mades use of photosensors and laser technologies to interpret printed, typed or even hand-written data directly from the source documents?

MICR
ATM
Mark-sensing device
None of these
OCR

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Computer Basic Information
The basic architecture of computer was developed by

Garden Moore
Blaise Pascal
Charles Babbage
John Von Neumann

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