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Operating System (OS)

Operating System (OS)
Which is not executable file?

.txt
.exe
.bat
.com

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Operating System (OS)
Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy

to be fair
to balance resource utilization
to be predictable
None of these
to obey priorities

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

Sys
XCOPY
None of the listed here
Edit

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

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

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Operating System (OS)
Press the ..... button to have the window fill the entire screen

Close
Minimize
Maximize
None of these

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Operating System (OS)
Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.

shortened; shortened
shortened; lengthened
lengthened; shortened
lengthened; lengthened
None of these

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