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
assigning ready process to the CPU
bring processes from the disk to the main memory
None of these
swapping a process to the disk

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Operating System (OS)
A program

is the device where information is stored
is typically characterized by interactive processing and time of the CPU
is a device that performs a sequence of operations specified by instructions in memory.
is a sequence of instructions
None of these

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Operating System (OS)
The FIFO algorithm

executes first the job with the least processor needs
executes first the job that last entered the queue
executes first the job that first entered the queue
execute first the job that has been in the queue the longest
None of these

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