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Computer Basic Information

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

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

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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?

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

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Computer Basic Information
The 2's complement number of 110010 is

None of these
110011
1101
All of these
10011

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Computer Basic Information
Which is used for manufacturing chips?

Control unit
Semiconductors
(A) and (B) only
Bus
None of these

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Computer Basic Information
What was the first general - purpose electronic computer ?

IBM 405
CSIRAC
ENIAC
Zuse Z3

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Computer Basic Information
What is the name of the display feature that highlights areas of the screen which require operator attention?

None of these
Touch screen
Cursor
Reverse video
Pixel

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