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Computer Basic Information

Computer Basic Information
Which of the following is an example of connectivity?

Data
Internet
Power cord
None of these
Floppy disk

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

KB
block of characters
byte
None of these
word

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Computer Basic Information
A hand-held device for optically reading bar codes on goods, labels & shelves is

Touch tablet
None of these
Light pen
Mouse
Wand

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Computer Basic Information
The disadvantage of dynamic RAM over static RAM is

need to refresh the capacitor charge every once in two milliseconds
None of these
variable speed
higher power consumption
higher bit density

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Computer Basic Information
Which of the following is not an output device of a computer?

VDU
keyboard
All of these
CRT screen
Printer

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Computer Basic Information
Symbolic languages were developed in

1962
1950
None of these
1974
1980

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