Operating System (OS)
The LRU algorithm

pages out pages that have not been used recently
pages out pages that have been used recently
None of these
pages out pages that have been least used recently
pages out the first page in a given area

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Operating System (OS)
Multiprogramming

allows multiple programs to reside in separate areas of core at the time.
None of these
is a method of allocating processor time.
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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Operating System (OS)
File record length

Should always be variable
depends upon the size of the file
should be chosen to match the data characteristics
should always be fixed
None of these

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