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Operating System (OS)

Operating System (OS)
Bringing a page into memory only when it is needed, this mechanism is called

Page Fault
Deadlock
Demand Paging
Dormant Paging

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Operating System (OS)
Which of the following is an example of a real time operating system?

Process Control
Lynx
MS DOS
Windows XP

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Operating System (OS)
Which of the following is not a video file extension?

.mov
.mpeg
.wav
.avi

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Operating System (OS)
Fragmentation of the file system

occurs only if the file system is used improperly
is a characteristic of all file systems
can always be prevented
can be temporarily removed by compaction
None of these

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Operating System (OS)
Supervisor state is

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

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Operating System (OS)
Which of the key is used to close the active window?

Ctrl+F5
Alt+F4
Ctrl+F4
Alt+F6

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MORE MCQ ON Operating System (OS)

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