Operating System (OS)
The main function of the dispatcher (the portion of the process scheduler) is

swapping a process to the disk
assigning ready process to the CPU
suspending some of the processes when the CPU load is high
None of these
bring processes from the disk to the main memory

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

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

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