Disk Scheduling - General Questions

The disk head is at cylinder 114. Requests arrive in the order 166, 142, 176, 186, 36. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 56. Requests arrive in the order 104, 110, 69, 161, 194, 58. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 126. Requests arrive in the order 99, 146, 4, 166, 3. What is the total head movement (in cylinders) using FCFS?

The disk head is at cylinder 112. Requests arrive in the order 54, 167, 3, 70, 198, 128. What is the total head movement (in cylinders) using FCFS?

The disk head is at cylinder 71. Requests arrive in the order 70, 32, 162, 182, 60, 18. What is the total head movement (in cylinders) using FCFS?