A=Track; B is a sector; C is a bad sector, D is a cluster Your Hard Disk Drive (HDD) contains more than one magnetized disk to store data. These magnetized disks are known as platters. A platter ...
See areal density and perpendicular recording. Tracks are further divided into sectors, which hold a block of data that is read or written at one time; for example, READ SECTOR 782, WRITE SECTOR 5448.
Aside from the size difference between 2.5 and 3.5-inch hard drives ... sectors, drives based on the Shingled Magnetic ...