Disk Scheduling - General Questions

The disk head is at cylinder 89. Requests arrive in the order 197, 24, 69, 190, 32, 162, 14. What is the total head movement (in cylinders) using FCFS?

The disk head is at cylinder 87. Requests arrive in the order 65, 148, 126, 183, 77, 68, 114. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 52. Requests arrive in the order 153, 22, 45, 74, 182, 112. What is the total head movement (in cylinders) using FCFS?

The disk head is at cylinder 104. Requests arrive in the order 30, 121, 122, 168, 167, 164. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 74. Requests arrive in the order 48, 132, 41, 165, 147. What is the total head movement (in cylinders) using SSTF?