Invented by Alan Shugart at IBM in 1967, the original floppy disk design measured 8 inches (200mm) in diameter, stored 80KB of data and became available for purchase in 1971 as a part of IBM's ...

PCs used two types of floppy disks. The first was the 5.25" floppy (diskette), which became ubiquitous in the 1980s. It was superseded by the 3.5" floppy in the mid-1990s. Very bendable in its ...