Operating System (OS)
Trojan-Horse programs

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

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Operating System (OS)
Under virtual storage,

two or more programs are stored concurrently in primary storage
None of these
only the active pages of a program are stored in primary storage
interprogram interference may occur
a single program is processed by two or more CPUs

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