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

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

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Operating System (OS)
A linker

is not needed with a good compiler
creates a load module
is not necessary with variable partitions
None of these
must be run after the loader

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