Hard Disk Read/Write Head Operation

Reprinted, with permission, from The PC Guide
Hard Disk Read/Write Head Operation
 Reference Guide - Hard Disk Drives 

In many ways, the read/write heads are the most sophisticated part of the hard disk, which is itself a technological marvel. They don't get very much attention, perhaps in part because most people never see them. This section takes a look at how the heads work and discusses some of their key operating features and issues.

Next: Function of the Read/Write Heads