If the Disk head is located initially at track 32, find the number of disk…

Method (FCFS): Process the disk I/O requests in the order they arrive and sum the absolute head movements between consecutive requests.

1. Move from track 32 to 98: |98 - 32| = 66

2. Move from track 98 to 37: |37 - 98| = 61

3. Move from track 37 to 14: |14 - 37| = 23

4. Move from track 14 to 124: |124 - 14| = 110

5. Move from track 124 to 65: |65 - 124| = 59

6. Move from track 65 to 67: |67 - 65| = 2

Total head movement: 66 + 61 + 23 + 110 + 59 + 2 = 321 tracks

Conclusion: The total number of disk moves required under FCFS starting at track 32 for the request sequence 98, 37, 14, 124, 65, 67 is 321.