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Computer Basic Information

Computer Basic Information
Which is a device that changes information into digital form?

None of these
Modem
Light pen
Mouse
Digitizer

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Computer Basic Information
An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is

Punched paper tape
Paper tape punch
Magnetic disk
None of these
Magnetic tape

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Computer Basic Information
Punched cards are associated with the name

Leibniz
Pascal
Hollerith
Jacquard
None of these

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Computer Basic Information
What type of magnetic material is normally used in bubble memories?

None of these
Magnetic core
Cobalt
Garnet
Metallic

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Computer Basic Information
The first computer made available for commercial use was

ENIAC
None of these
UNIVAC
Mark-I
EDSAC

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Computer Basic Information
As compared to diskettes, the hard disks are

more expensive
slowly accessed
more portable
less rigid
None of these

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