Operating System (OS)
Trojan-Horse programs

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

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

All of these
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
None of these
many functions do not have to be implemented twice.

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