How Hard Disk Works


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.

 

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Table of Contents:
Introduction to How Hard Disks Work
Hard Disk Basics
Inside a Hard Disk
Storing the Data