Operating System (OS)
Multiprogramming systems:

execute each job faster
execute more jobs in the same time period
are used only on large mainframe computers
None of these
are easier to develop than single programming system

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

assigning ready process to the CPU
None of these
suspending some of the processes when the CPU load is high
swapping a process to the disk
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):

All of these
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.
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
many functions do not have to be implemented twice.

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