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Operating SystemWhat is a Process Control Block? Explain its structure and significance in process management.20257mOperating SystemDescribe the objectives of process scheduling. Explain the roles of long-term, medium-term, and short-term schedulers.20257mOPERATING SYSTEMWhat is process control block?20197mOperating SystemWrite short notes on: Process Control Block20227m
PreviousPhysical memory is broken into fixed-sized blocks called (i) frames (ii) pages (iii) backing store (iv) None of the aboveNextConsider the following process : | Process | Arrival Time | Burst Time | | :--- | :--- | :--- | | P1 | 0.0 | 7 | | P2 | 2.0 | 4 | | P3 | 4.0 | 1 | | P4 | 5.0 | 4 | Considering non-preemptive and preemptive SJF algorithm, find out average waiting time and average turnaround time in both cases.