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Computer Basic Information

Computer Basic Information
The following is true about 2-out of-5 code:

None of these
All of these
it is weighted code
it has odd parity
it is unweighted code

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Computer Basic Information
There are historical evidences to prove that abacus was first used in

Japan
China
Indonesia
None of these
India

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Computer Basic Information
Programmed instructions to the computer is known as

Documentation
Database
Data
Code
None of these

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

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

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Computer Basic Information
The no of logical records in a physical record is

Blocking factor
Field
Group
None of these
Sector

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Computer Basic Information
Which of the following is non-impact printer?

Laser printer
Drum printer
Line printer
Chain printer
None of these

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