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Suppose there are $3$ jobs A, B and C arrive at approximately at the same time. But job A arrives slightly earlier than job B, and job B arrives alightly earlier than job C. Job A requires $2$ sec of CPU, Job B requires $8$ sec and job C requires $7$ sec. Assume time slice is of $1$ sec. Given Round Robin scheduler, what is the turn around time of job B?

  1. $1$ seconds
  2. $4$ seconds
  3. $16$ seconds
  4. $17$ seconds
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B has the longeset CPU burst and with Robin Robin will finish after every other job finishes, which is $2+8+7=17$ seconds.
RR Schedule:
Applied Course 2019 Mock1-15
Answer:

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