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OPERATING SYSTEMDefine deadlock. List four necessary conditions for occurrence of deadlock.20197mOPERATING SYSTEMState and explain the necessary and sufficient conditions for a deadlock.20237mOPERATING SYSTEMWhich of the following conditions is required for deadlock to be possible? (i) Mutual exclusion (ii) A process may hold allocated resources while awaiting assignment of other resources (iii) No resource can be forcibly removed from a process holding it (iv) All of the above20192mOperating SystemWhich of the following conditions is required for deadlock to be possible? (i) Mutual exclusion (ii) A process may hold allocated resources while awaiting assignment of other resources (iii) No resource can be forcibly removed from a process holding it (iv) All of the above20192m
PreviousConsider the following CPU processes with arrival times 0 and CPU bursts (in milliseconds) as given below: | Process | Burst time | |---|---| | P1 | 24 | | P2 | 3 | | P3 | 3 | If the Round Robin Scheduling is used with time quantum of 4 milliseconds to schedule the processes. Draw the Gantt chart and calculate the average waiting time across all processes (in milliseconds).NextWhat is the cause of thrashing? How does the system detect thrashing and once detected what can the system do to eliminate it