Operating System (OS)
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

None of these
Multitasking
Partitioning
Windowing
Paging

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Operating System (OS)
Paging

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

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Operating System (OS)
The function(s) of file system is (are):

to provide security against loss of information due to system failure
None of these
to provide complete file naming freedom to the users and to permit controlled sharing of files
All of these
to provide for long and short term storage of files with appropriate economic tradeoffs.

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