Who remembers the good old "floppy disk"? The floppy disk has become a thing of ancient history with the invention of cds, dvds, hard disks, and thumb drives. But once in awhile you will need to take a trip in the past to see just what they were. Where can you find a nice diagram of a floppy disk for research? Take a look here for one
. http://commons.wikimedia.org/wiki/File:Floppy_disk_internal_diagram.svg.