Operating System (OS)
What do you mean by Memory Compaction?

Combine multiple equal memory holes into one big hole
Divide big memory hole into small holes
Combine multiple small memory holes into one big hole
Divide memory hole by 2

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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 speed of CPU is increased
the pages, belonging to the working set of the programs, are in main memory

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