Solution
The correct answer is : Option 3
Key Points
Scheduling Algorithm: First Come First Serve (FCFS)
Gantt chart:
0 5 8 10 13 14
Process Table:
| Process |
Arrival Time (AT) |
Burst Time (BT) |
Completion Time (CT) |
Turn Around Time (TAT) |
| P1 |
0 |
5 |
5 |
5 |
| P2 |
2 |
3 |
8 |
6 |
| P3 |
2 |
2 |
10 |
8 |
| P4 |
5 |
3 |
13 |
8 |
| P5 |
6 |
1 |
14 |
8 |
Average Turnaround Time: \({{5+6+8+8+8} \over 5} = 7.0\)
Important Points:
TAT = CT - AT