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Operating System (OS)

Operating System (OS)
Which components appear in the initial windows start up display?

Task bar
Start menu
Dialog box
All of these

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Operating System (OS)
A graphical user interface displays

None of Above
Text
Graphics
Both of Above

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Operating System (OS)
Non-modifiable procedures are called

serially usable procedures
topdown procedures
None of these
concurrent procedures
reentrant procedures

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Operating System (OS)
Which of the following is false about disk when compared to main memory?

non-volatile
faster
longer storage capacity
None of these
lower price per bit

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Operating System (OS)
Supervisor state is

never used
entered by programs when they enter the processor
required to perform any I/O
None of these
only allowed to the operating system

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Operating System (OS)
Which is not an external command ?

None of the listed here
XCOPY
Edit
Sys

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