Nearly every desktop computer and server in use today contains one or more hard-disk drives. Every mainframe and supercomputer is normally connected to hundreds of them. You can even find VCR-type devices and camcorders that use hard disks instead of tape . These billions of hard disks do one thing well -- they store changing digital information in a relatively permanent form. They give computers the ability to remember things when the power goes out.
| Table of Contents:
› Introduction to How Hard Disks Work
› Hard Disk Basics
› Inside a Hard Disk
› Storing the Data