Diagram a File Allocation Table (FAT) for a system that contains one file. That file has three linked entries in the FAT pointing to 3 clusters used for the file.  (4 Disk Scheduling: compare (with diagrams, and by counting the total head movement) the FCFS (First Come First Served) disk scheduling with the SSTF (Shortest Seek Time First) for the following sequence of disk requests that are queue for the disk: starting at 50: 44, 61, 87, 32, 90, 34, 51.