Operating System (OS)
Trojan-Horse programs

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

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Operating System (OS)
Operating system

links a program with the subroutines it references
None of these
All of these
enables the programmer to draw a flowchart
provides a layered, user-friendly interface

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Operating System (OS)
Virtual Memory

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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