Also known as a- diskette. Now obsolete. Originally called floppy disks because they were round and non-rigid, but later the actual floppy disk was enclosed inside a rigid, near-square protective casing. Most programs used to be released on floppy disks, but modern programs are so large that they are now released on CD ROM or DVD instead.
A reusable magnetic storage medium. The floppy disk used today is the rigid 3.5-inch microfloppy that holds 1.44 MB. It is called floppy because the first varieties were housed in bendable jackets.