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Computer Basic Information

Computer Basic Information
Which of the following memories must be refreshed many times per second?

None of these
EPROM
Dynamic RAM
ROM
Static RAM

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Computer Basic Information
Who coordinates the sequencing of events within the central processor of a computer?

Control unit
None of these
Arithmetic unit
Register
Logic unit

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Computer Basic Information
A file containing relatively permanent data is

Transaction file
Master file
Random file
Sequential file
None of these

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Computer Basic Information
A magnetic tape volume that is used on a data processing operation without any change to its contents is

Master tape
Card reader
Punched paper tape
Magnetic disk
None of these

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Computer Basic Information
How many addresses are required for 25 x 40 video RAM?

2000
None of these
1920
1000
2000

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Computer Basic Information
A hard copy would be prepared on a

Line printer
Plotter
Type writer terminal
All of these
Dot matrix printer

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