First come, first served job arrival runtime priority start end turnaround A 0 10 3 0 10 10 B 2 6 5 10 16 14 C 2 2 2 16 18 16 D 12 4 1 18 22 10 E 12 8 4 22 30 18 F 32 5 6 32 37 5 G 34 5 7 37 42 8 Average turnaround time = 11.57 Shortest job first job arrival runtime priority start end turnaround A 0 10 3 0 10 10 B 2 6 5 16 22 20 C 2 2 2 10 12 10 D 12 4 1 12 16 4 E 12 8 4 22 30 18 F 32 5 6 32 37 5 G 34 5 7 37 42 8 Average turnaround time = 10.71 Priority job arrival runtime priority start end turnaround A 0 10 3 0 24 24 B 2 6 5 2 8 6 C 2 2 2 24 26 24 D 12 4 1 26 30 18 E 12 8 4 12 20 8 F 32 5 6 32 42 10 G 34 5 7 34 39 5 Average turnaround time = 13.57 Round robin, quantum = 1 job arrival runtime priority start end turnaround A 0 10 3 0 24 24 B 2 6 5 3 18 16 C 2 2 2 4 8 6 D 12 4 1 14 25 13 E 12 8 4 15 30 18 F 32 5 6 32 39 7 G 34 5 7 35 42 8 Average turnaround time = 13.14 Round robin, quantum = 2 job arrival runtime priority start end turnaround A 0 10 3 0 22 22 B 2 6 5 4 16 14 C 2 2 2 6 8 6 D 12 4 1 16 24 12 E 12 8 4 18 30 18 F 32 5 6 32 39 7 G 34 5 7 36 42 8 Average turnaround time = 12.43