One financially unsuccessful attempt in the late 1990s to continue the floppy was the SuperDisk (LS-120), with a capacity of 120 MB (actually 120.375 MiB), while the drive was backward compatible with standard 3½-inch floppies. Mass backups were now made to high capacity tape drives such as DAT or streamers, or written to CDs or DVDs. With the arrival of mass Internet access, cheap Ethernet and USB keys, the floppy was no longer necessary for data transfer either, and the floppy disk was essentially superseded. Toward the end of the 1990s, software distribution gradually switched to CD-ROM, and higher-density backup formats were introduced (e.g. Many home computers had their primary OS kernels stored permanently in on-board ROM chips, but stored the disk operating system on a floppy, whether it be a proprietary system, CP/M, or, later, DOS.īy the early 1990s, the increasing size of software meant that many programs were distributed on sets of floppies.

Before the popularization of the hard drive for PCs, floppy disks were often used to store a computer's operating system (OS), application software, and other data. Floppy disks are read and written by a floppy disk drive or FDD, the latter initialism not to be confused with 'fixed disk drive', which is an old IBM term for a hard disk drive.įloppy disks, also known as floppies or diskettes (a name chosen in order to be similar to the word 'cassette'), were ubiquitous in the 1980s and 1990s, being used on home and personal computer ('PC') platforms such as the Apple II, Macintosh, Commodore 64, Amiga, and IBM PC to distribute software, transfer data between computers, and create small backups. Related subjects: Computing hardware and infrastructure Floppy Disk DriveĪ 3.5 inch diskette, removed from its casing.Ī floppy disk is a data storage device that is composed of a disk of thin, flexible ('floppy') magnetic storage medium encased in a square or rectangular plastic shell.

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