Scenario: Five jobs arrive nearly simultaneously for processing and their estimated CPU cycles are, respectively:

Job CPU Cycle

Job A $2$ ms

Job B $12$ ms

Job C $15$ ms

Job D $7$ ms

Job E $3$ ms

Question $1$

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Question text

Using FCFS$,$ in what order would they be processed?

$1$st

$2$nd

$3$rd

$4$th

$5$th

Question $2$

Not yet answeredMarked out of $6\mathrm{.}00$ Flag question

Question text

Using FCFS$...$

What is the turnaround time for each of these five jobs? What is the average turnaround time?

Job Turnaround Time

Job A Answer $1$ Question $2$

Job B Answer $2$ Question $2$

Job C Answer $3$ Question $2$

Job D Answer $4$ Question $2$

Job E Answer $5$ Question $2$

Average Answer $6$ Question $2$

Question $3$

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Question text

Using SJN$,$ and assuming that all jobs are present when the algorithm begins, in what order would they be processed?

$1$st

$2$nd

$3$rd

$4$th

$5$th

Question $4$

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Question text

Using SJN$...$

What is the turnaround time for each of these five jobs? What is the average turnaround time?

Job Turnaround Time

Job A Answer $1$ Question $4$

Job B Answer $2$ Question $4$

Job C Answer $3$ Question $4$

Job D Answer $4$ Question $4$

Job E Answer $5$ Question $4$

Average Answer $6$ Question $4$