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Computer Basic Information

Computer Basic Information
Communication ports are found on the back of microcomputers. They are used to connect the computer to _____

None of these
modems
All of these
other hardware
printers

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Computer Basic Information
A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is

None of these
Demodulation
Modulation
Channel
Signalling

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Computer Basic Information
ALU stands for ________?

Arithmetic Local Unit
Arithmetic Legal Unit
Arithmetic Logic Utility
Arithmetic Logic Unit

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Computer Basic Information
A computer will function only if it

None of these
has a control unit
has software package
has a program in its memory
is given input data

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

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

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Computer Basic Information
Which of the following file organizations is most efficient for a file with a high degree of file activity?

sequential
VSAM
ISAM
B-Tree index
All of these

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