A Disk Drive with Multiple Tracks: Seek Time

So far our disk just had a single track, which is not too realistic; modern disks of course have many millions. Let’s thus look at an ever-so-slightly more realistic disk surface, this one with three tracks. Look at the figure given below.

In the figure, the head is currently positioned over the innermost track, which contains sectors 24 through 35. The next track over contains the next set of sectors (12 through 23), and ...