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OPERATING SYSTEMWhat do you understand by race condition? Give few example of arising of race condition in concurrent processing.201914mCOMPUTER ORGANIZATION & ARCHITECTUREIllustrate what are the challenges associated with concurrent access to memory in parallel processing?20247mDatabase Management SystemWrite short notes on the following: (b) Concurrency control20207mDATABASE MANAGEMENT SYSTEMWhat do you mean by concurrency control techniques?20247m
PreviousConsider 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.Next(a) Define semaphore. Give a scheme for implementation of semaphore primitives. (b) What do you mean by critical section problem? What is the solution to the critical section problem?