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

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

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Operating System (OS)
Process is

a program in execution
None of these
contents of main memory
a job in secondary memory
program in High level language kept on disk

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