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

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
Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.

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Operating System (OS)
Object code

is the output of compilers, but not assemblers
None of these
is ready to execute
must be "loaded" before execution
must be rewritten before execution

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