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

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

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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
is a reference to a page belonging to another program
None of these
occurs when a program accesses a page of memory

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