4.2 Disk Scheduling: using Shortest Seek-Time First, R/W head starts at track 50. Sequence is 15, 5, 16, 71, 14, 28, 19, 35, 80, 72, 89, 20 Draw a line diagram with the track requests indicated like the powerpoint slide Add arrows moving the R/W head to the next track using SSTF scheduling Count the total head movement