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Computer Basic Information

Computer Basic Information
Which storage device cannot be erased?

A floppy disk
Magnetic tape storage
A CD-ROM
All of these

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Computer Basic Information
The essential features of a number system are

Radix
Both A & B
Set of distinct counting digits
bits
None of these

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Computer Basic Information
What technology of memory is Cache RAM usually ?

EEPROM
Flash
DRAM
SRAM

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Computer Basic Information
The flow and timing to data to and from the microprocessor is regulated by

None of these
address pins
data pins
power pins
control pins

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Computer Basic Information
A program that performs a useful task while simultaneously allowing destructive acts is:

Trojan Horse
Virus
Worm
Macro Virus

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Computer Basic Information
A reflective marker that indicates the end of the usable tape is

Optical mark reader
FAX
None of these
End-of-tape
End user

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