Operating System (OS)
Interprocess communication

None of these
is usually done via disk drives
is required for all processes
is never necessary,
allows processes to synchronize activity

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

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

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