What is an external hard drive and why do I need one?
See More Computer Basics By Mitz Free computer Education An external hard drive is the ultimate backup device. How much data it stores depends on how big the hard drive is inside the external case. If you find that there is not enough storage space you can simply remove the hard drive and replace it with a bigger one. Most newer type external hard drives connect to the computer via a USB cable. Most computers have a front USB port and therefore make it easy to plug and play or use an external hard drive. Once connected to the computer, your external hard drive device will show up in my computer as another hard disc drive.
