Disk Scheduling - General Questions

The disk head is at cylinder 104. Requests arrive in the order 99, 59, 131, 11, 44, 193. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 50. Requests arrive in the order 48, 131, 107, 30, 144, 39. What is the total head movement (in cylinders) using FCFS?

The disk head is at cylinder 76. Requests arrive in the order 112, 101, 193, 89, 17, 5. What is the total head movement (in cylinders) using SSTF?

The disk head is at cylinder 117. Requests arrive in the order 6, 45, 95, 169, 187. 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?