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QUESTION

Naif

Calculate Average Waiting time, Average turnaround time, Average response time

for

FCFS SJF SRT Round robin time slice=3 Priority based preemptive  (Note:  Lowest priority value indicates highest priority) Priority based Non preemptive scheduling.
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ANSWER

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$5.00

******

ProcessBurst

TimeArrivalStartWaitFinishTA ***********

************

************

Gantt

chart:

(regenerated

****

[OSC8]

p

*****

************ ****

******* * ***** average *******

***** (0+24+27)/3 * *** *******

**********

***** ********** * *** SJF;non preemptive

************

TimeArrivalStartWaitFinishTA 1603399 ************ 370991616 ******** *****

chart:

(regenerated

from

****** *

190)

************ ****

[OSCJ8]

*

*****

*******

*******

*****

************

*

**

******* **********

***** ************* * 13 SRT;

NON *** *********** ************ TimeArrivalStartWaitFinishTA

**********

******** ************ 45352107 Gantt ******* ************

from

[OSC8] * 192) ************ **** *******

*

*****

*******

******* time: ************ *

***

******* turnaround

*****

*************

=

***

*****

*******

************

*****************************

*************

************ **************

424057?121121 Gantt ******* ************ from

****** * **** ************ ****

*******

* 204) ******* waiting ***** (6+4+7)/3

*

**** ******* ********** time: (30+7+10)/3 *

1567

********

BASED

PREEMPTIVE; *************

TimePriorityArrivalStartWaitFinishTA

************ *********

*************

*************

*************

*****

*******

************

from

[OSC8]

p

***** ************

**** ******* * ***** ******* ******* time: *************** * ***

*******

turnaround ***** (1+6+16+18+19)/5 * **

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