0:00
Hi to everyone.
00:01
So here the assumption is time quantum.
00:07
Sorry, time quantum for rr 2 unit.
00:18
Gantt chart for f, s, f, fc, fs.
00:25
First come first serve.
00:26
So time 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11.
00:34
So p1, p2, p3, p4.
00:41
So gantt chart for sjf.
00:44
For sjf, shortest job first.
00:49
So here time 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.
00:57
Time is p1, p3, p4, p2.
01:08
For rr, round robin.
01:13
So 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.
01:21
So for this, it will be p1, p2, p3, p4, p1, p2.
01:32
For srtf, that is shortest remaining time first.
01:42
So 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13.
01:52
So it will be p1, p2, p3, p4, p3, p4, p2.
02:00
Now we calculate the average waiting time...