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

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

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Operating System (OS)
Virtual Memory

consists of those addresses that may be generated by a processor during execution of a computation.
None of these
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
allows multiple programs to reside in separate areas of core at the time.
is a method of allocating processor time.

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