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Computer Basic Information

Computer Basic Information
The memory which is ultraviolet light erasable and electrically programmable is

EPROM
RAM
ROM
None of these
PROM

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Computer Basic Information
Which of the following is not used for storage purposes with main frame computers?

None of these
diskettes
fixed disks
removable disks
mass storage systems

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Computer Basic Information
The size of commonly used floppy disk is

5.5"
3.5"
4.5"
3.25"

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Computer Basic Information
Which of the following is required when more than one person uses a central computer at the same time?

digitizer
terminal
None of these
mouse
light pen

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Computer Basic Information
A normal CD-ROM usually can store up to ___

680 KB
680 Bytes
680 MB
680 GB

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Computer Basic Information
In 1830, Charles Babbage disigned a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited?

None of these
1855
1860
1870
1820

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