The real difficulty with SJF in short term scheduling is ____________
A. it is too good an algorithm
B. knowing the length of the next CPU request
C. it is too complex to understand
D. none of the mentioned
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The FCFS algorithm is particularly troublesome for ____________
A. time sharing systems
B. multiprogramming systems
C. multiprocessor systems
D. operating systems
Consider the following set of processes, the length of the CPU burst time given in milliseconds.Assuming the above process being scheduled with the SJF scheduling algorithm.
A. The waiting time for process P1 is 3ms
B. The waiting time for process P1 is 0ms
C. The waiting time for process P1 is 16ms
D. The waiting time for process P1 is 9ms
Preemptive Shortest Job First scheduling is sometimes called ____________
A. Fast SJF scheduling
B. EDF scheduling – Earliest Deadline First
C. HRRN scheduling – Highest Response Ratio Next
D. SRTN scheduling – Shortest Remaining Time Next
An SJF algorithm is simply a priority algorithm where the priority is ____________
A. the predicted next CPU burst
B. the inverse of the predicted next CPU burst
C. the current CPU burst
D. anything the user wants
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