ROUND ROBIN SCHEDULING ALGORITHM
Round Robin (RR) scheduling algorithm is a type of CPU scheduling algorithm used by operating systems to determine the order in which processes are executed on a CPU.
In RR scheduling algorithm, processes are executed for a fixed time slice, which is usually called the time quantum. Once a process's time quantum is up, it is preempted and moved to the back of the ready queue, and the next process in the queue is selected for execution. The algorithm works by repeatedly cycling through the ready queue and assigning a time quantum to each process.
The RR algorithm aims to provide fair and balanced execution time for all processes. It ensures that each process gets a fair share of the CPU's time, even if there are other high-priority processes in the ready queue.
One of the advantages of the RR scheduling algorithm is that it prevents long-running processes from monopolizing the CPU's resources, resulting in a better overall system performance. However, it may not be suitable for real-time systems or systems with strict response time requirements because of the unpredictable behavior of the scheduling algorithm.
Overall, the RR scheduling algorithm is a useful tool for improving the performance of operating systems, particularly in scenarios where fairness and balance in CPU execution are required.
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