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

swapping a process to the disk
assigning ready process to the CPU
None of these
bring processes from the disk to the main memory
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 been used recently
pages out pages that have not been used recently
pages out the first page in a given area
pages out pages that have been least used recently
None of these

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Operating System (OS)
A page fault

is an error is a specific page
is an access to a page not currently in memory
None of these
is a reference to a page belonging to another program
occurs when a program accesses a page of memory

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