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

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

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

it is necessary to retranslate the user's program deck every time it is run.
None of these
a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
All of these
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.

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