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

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

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Operating System (OS)
System generation:

requires extensive tools to be understandable
varies in difficulty between systems
is always quite simple
None of these
is always very difficult

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Operating System (OS)
Thrashing can be avoided if

the pages, belonging to the working set of the programs, are in main memory
the speed of I/O processor is increased
All of these
None of these
the speed of CPU is increased

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Operating System (OS)
Backups should be done

as several incrementals, followed by an image copy
None of these
daily for most installations
as several image copies, followed by an incremental
weekly for most installations

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