Which of the following circumstances can preemptive scheduling take place?
A) when a process switches from the running state to the waiting state
B) when a process switches from the waiting state to the ready state
C) when a process terminates
D) none of the above

Question

Quizplus · Accepted Answer

Preemptive scheduling can take place when a process switches from the waiting state to the ready state. This is because the operating system can choose to preempt the currently running process and switch to the newly available process. Preemptive scheduling does not occur when a process switches from running to waiting or when a process terminates, as there is no need to preempt the process in these cases.

Which of the Following Circumstances Can Preemptive Scheduling Take Place