Operating System (OS)
An incremental backup

should be done each month
None of these
uses more tapes
saves all files
saves only files that have recently changed

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Operating System (OS)
Virtual Memory

allows multiple programs to reside in separate areas of core at the time.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
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.
None of these

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