Operating System (OS)
Swapping

allows many programs to use memory simultaneously
does not work with overlaying
allows each program in turn to use the memory
works best with many small partitions
None of these

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Operating System (OS)
Thrashing can be avoided if

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

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