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Five batch jobs, A through E arrive at the scheduler at approximately the same time. They have estimated running times of 40ms, 50ms, 90ms, 30ms and 80ms respectively. Their priorities are 2, 3, 1, 5 and 4, respectively, with 1 being the highest priority. Specify the order in which processes execute and determine the mean process turnaround time for each of the scheduling algorithms.
What is minimum number of page faults for the optimal page replacement strategy? Please show how the page is placed and how page faults occur.
Other user user threads belonging to the same process also be affected by the page fault (i.e., would they also have to wait for the faulting page to be brought into memory?) Explain.
Analysis and implementation of algorithms for memory allocation in operating system, Explain First- t and best- t methods are used in memory allocation in operating systems.
Explain the following terms in relation to linear programming problems- (1) decision variables (2) objective function
CPU with interrupt-driven I/O is busy servicing disk request. While CPU is midway through the disk-service routine, another I/O interrupt occurs. What occurs next?
In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram Give three advantages of virt..
Assume that word 0 is part of a hole and that the highest word in memory contains valid tries are needed in the page table if traditional(one-level) paging is used? how many page table entries are needed for two-level paging, with 10 bits in ea..
Simulate the long-term scheduler, the short-term scheduler and the I/O scheduler of the computer using the First-Come-First-Serve algorithm.
Use the semaphore methods to control the concurrency of the solution
Construct a resource allocation graph with the following processers and resources, the system consists of four processers P1, P2, P3, and P4 and five resources R1, R2, R3, R4, and R5.
Every day at 2PM a client's computer at work reboots itself. You have made sure the power management settings in the BIOS and in the Windows Control Panel are not responsible.
Deadlock Avoidance and Scheduling
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