Operating System (OS)
Under virtual storage,

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

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

Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
many functions do not have to be implemented twice.
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
All of these

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