Operating System (OS)
Trojan-Horse programs

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
None of these

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Operating System (OS)
Paging

allows multiple programs to reside in separate areas of core at the 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.
None of these
is a method of allocating processor time.

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Operating System (OS)
Process is

a program in execution
contents of main memory
program in High level language kept on disk
None of these
a job in secondary memory

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