Operating System (OS)
Trojan-Horse programs

None of these
usually are immediately discovered
are legitimate programs that allow unauthorized access
do not usually work
are hidden programs that do not show up on the system

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Operating System (OS)
Paging

is a method of allocating processor time.
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.
None of these
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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