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Using Earliest deadline first (EDF) algorithm practically, it is impossible to achieve 100 percent utilization due to __________

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If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. If a new process D requested 30 shares, the admission controller would __________
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Orders are processed in the sequence they arrive if _______ rule sequences the jobs.
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A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is____________
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If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares.
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Preemptive Shortest Job First scheduling is sometimes called ____________
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