Operating System (OS)
The working set theory of programming behaviour of processes running within an operating system involves

None of these
coalescing holes in memory
the collection of pages that a process accesses
disk scheduling mechanisms
assigning the CPU to processes

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Operating System (OS)
Feed back queue

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

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