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

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

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Operating System (OS)
Which of the following statement is true.

The LRU algorithm pages out pages that have been used recently
Seek analysis is used for analysing control-unit busy problems.
All of these
None of these
Thrashing is a natural consequence of virtual memory systems.

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Operating System (OS)
Multiprogramming

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.
allows multiple programs to reside in separate areas of core at the time.
None of these
is a method of allocating processor time.

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