Operating System (OS)
In which way(s) a macro processor for assembly language can be implemented:

independent one-pass processor
independent two-pass processor
None of these
processor incorporated into pass 1 of a standard two-pass assembler
All of these

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Operating System (OS)
Swapping

allows many programs to use memory simultaneously
None of these
allows each program in turn to use the memory
works best with many small partitions
does not work with overlaying

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