Round robin

Question

I am stuck in round Robin please help me

In Gantt chart at 8th sec p5 reinsert in ready queue but p4 also come at 8 sec so the order of process come in ready queue after p3 is p4,p5 or p5,p4.

Answer 1

P.No	AT	BT	CT	TAT	WT
P1	3	2	6	3	1
P2	2	4	10	8	4
P3	6	3	19	13	10
P4	8	1	15	7	6
P5	4	3	16	12	9
P6	5	4	18	13	9

Procee Queue :

P2

P1

P5

P2

P6

P3

P4

P5

P6

P3

Take Each process from this Queue of process and Schedule Accordingly TQ =2

Gant Chart

P2

P1

P5

P2

P6

P3

P4

P5

P6

P3

0  2       4          6          8          10        12        14           15       16         18         19   

Answer 2

take the lower order process no an proceed....

Comments

Wat is the lower order

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between p4 p5 choose p4

Answer 3

the advantage of RR is fair allocation cpu across process ..that means it give preferances to new process always whenever there is no priority or any restriction.

so p4 will get a chance to execute