Priority Scheduling

What is CPU Scheduling?

CPU scheduling is the OS mechanism that decides which ready process or thread gets to run on the CPU next, aiming to balance throughput, fairness, and responsi…

Preemptive vs Non-Preemptive Scheduling

Preemptive scheduling lets the OS forcibly suspend a running process to give the CPU to another, while non-preemptive scheduling requires the running process t…

What is Priority Scheduling?

Priority scheduling dispatches the ready process with the highest priority value next, rather than by arrival order or burst time, and can be implemented as ei…

Round Robin vs Priority Scheduling: What is the Difference?

Round Robin gives every ready process an equal, fixed-size time slice in strict rotation regardless of importance, prioritizing fairness and responsiveness, wh…

Deadlock vs Starvation: What Is the Difference?

Deadlock is a permanent standstill where a set of processes are each waiting on a resource held by another in the same set, so none of them can ever proceed wi…

What is Starvation in CPU Scheduling?

Starvation is a scheduling failure where a process is repeatedly passed over in favor of other processes and, as a result, waits indefinitely and may never get…

What is Aging in CPU Scheduling?

Aging is a scheduling technique where the OS gradually increases the priority of a task the longer it waits in the ready queue, which guarantees that even a lo…