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

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

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Operating System (OS)
Multiprogramming

is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
None of these
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

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