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1) prepare down necessary properties of following types of O.S.

(i) Batch

(ii) Multiprogramming

(iii) Time Sharing

(iv) Round Robin

(v) Distributed.

2) prepare down the components of O.S? Describe each of them briefly.

3)(a) Distinguish between Short term, long term and medium term schedulers.

(b) What do you mean by dispatching? Describe in detail.

4) Let the set of processes given below.

Processes    Burst time    Priority
    P1              10               3
    P2               1                1
    P3               2                3
    P4               1                4
    P5               5                2

Processes are assumed to have arrived in order P1, P2, P3, P4, and P5 all at time 0.

(a) Determine the turnaround time of each process for FCFS, SJF,  non-preemptive and round robin scheduling?

(b) Determine the waiting time of each process for each of scheduling algorithm in part a?

(c) Which algorithm results in minimal average waiting time.

Operating System, Computer Science

  • Category:- Operating System
  • Reference No.:- M913767

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