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Consider 5 jobs A, B, C, D, E with CPU running times 7, 6, 4, 4, 1 ms and arrival times T= 0, 0, 1,
- Consider 5 jobs A, B, C, D, E with CPU running times 7, 6, 4, 4, 1 ms and arrival times T= 0, 0, 1, 2, 3 ms, respectively. Assume that jobs do not block for I/O.
- (7 pts) Among the FIFO, Shortest Job First (SJF), Shortest Time to Completion First (STCF) and Round-Robin (RR) which one yields an optimal scheduling according to the Average Turnaround Time (AvgTAT) metric?
- (8 pts) What is the execution order after applying this optimal scheduling policy? Please, write the sequence of job names picked after every scheduling decision.
- (5 pts) What is the minimum AvgTAT value? Show your calculations.
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Database Design Application Development And Administration
Authors: Michael V. Mannino
4th Edition
0615231047, 978-0615231044
