Operating System (OS)
Feed back queue

are very easy to implement
require manual intervention to implement properly
dispatch tasks according to execution characteristics
None of these
are used to favor real-time tasks

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Operating System (OS)
Thrashing can be avoided if

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

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