Magnetic Disk Case Study Some key parameters for a recent 2.5-inch drive for laptop computers. Size 80GB per surface 2/4 Platters / Heads Capacity 320 GB 120 RPS Performance 8.3 ms per rotation 1 ms Spindle speed 7200 RPM Average seek time read/write 10.5 ms / 12.0 ms Maximum seek time 19 ms Track-to-track seek time Transfer rate (surface to buffer) 54-128 MB/s Transfer rate (buffer to host) 375 MB/s Buffer memory 16 MB Power Typical 16.35 W Idle 11.68 W a 14 Task #01:For the disk described in slide #14, answer the following questions with some explanations : (1) What is the range of the number of sectors per track on the disks? (the size of one sector is 512 bytes)? (2) Estimate the number of tracks on the disk. Extensions (3) Estimate the distance from the center of one track to the center of the next track