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

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

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Operating System (OS)
The LRU algorithm

pages out pages that have not been used recently
None of these
pages out pages that have been least used recently
pages out pages that have been used recently
pages out the first page in a given area

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Operating System (OS)
Multiprogramming

is a method of allocating processor time.
consists of those addresses that may be generated by a processor during execution of a computation.
allows multiple programs to reside in separate areas of core at the time.
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.

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