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The working set theory of programming behaviour of processes running within an operating system involves

  • A.the collection of pages that a process accesses
  • B.disk scheduling mechanisms
  • C.coalescing holes in memory
  • D.assigning the CPU to processes

Answer: A

Correct answer: the collection of pages that a process accesses

The working set of a process is the set of pages it has referenced in the recent past, taken as a prediction of what it will need next. Keeping a process’s whole working set resident stops it faulting continually, and refusing to run a process whose working set will not fit is how thrashing is prevented.

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