In 1967, at an IBM facility in San Jose, California, work began on a drive that led to the world's first floppy disk and disk drive. Floppy disks were an almost universal data format from the 1970s into the 1990s, used for primary data storage as well as for backup and data transfers between computers. It is read and written using a floppy disk drive (FDD). 8-inch, 5¼-inch, and 3½-inch floppy disksĪ floppy disk is a disk storage medium composed of a disk of thin and flexible magnetic storage medium encased in a rectangular plastic carrier.
