Operating System (OS)
Boot startup process

Prepare the computer ready
Loads system files to RAM
Clean up the computer memory
Checks the computer connections

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Operating System (OS)
Under virtual storage,

None of these
only the active pages of a program are stored in primary storage
two or more programs are stored concurrently in primary storage
a single program is processed by two or more CPUs
interprogram interference may occur

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

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

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