What Is CPU Scheduler
► Selects from among the processes in memory that are ready to execute, and allocates the CPU to one of them. ► CPU scheduling decisions may take place when a process:1.Switches from running to waiting state.2.Switches from running to ready state.3.Switches from waiting to ready.4.Terminates. ► Scheduling under 1 and 4 is nonpreemptive. ► All other scheduling is preemptive.
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