Operating System (OS)
Trojan-Horse programs

do not usually work
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

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Operating System (OS)
The disadvantages of "Compile and Go" loading scheme is (are):

a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
None of these
All of these
it is necessary to retranslate the user's program deck every time it is run.

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