Question

If time quantum of cpu is 4 units and context switching time is 1 unit. process arrival time and burst time are given. find completn time, turnaround time, response time, nd avg waiting time

Answer 1

more than one time quantum in one go. If time quantum is too large, the response time of the processes will not be tolerated in an interactive environment. If the time quantum is too small, unnecessary frequent context switch may occur. Consequently, overheads result in fewer throughputs. In this study, we propose a priority Round-Robin algorithm with dynamic quantum time (PDQT). The algorithm used the old fixed quantum time to generate new one for each process depending on its priority. The simple Round-Robin algorithm has been improved by about 20%. By controlling quantum time, we experience fewer context switches and shorter waiting and turnaround times, thereby obtaining higher throughput.


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