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

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Operating System (OS)
Trojan-Horse programs

are hidden programs that do not show up on the system
are legitimate programs that allow unauthorized access
None of these
usually are immediately discovered
do not usually work

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Operating System (OS)
Which of the following is not true about documentation?

Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
Documentation, of a system, should be as clear and direct as possible
All of these
None of these

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