Detail map of San Jose, California, United States Overview map of San Jose, California, United States

A: San Jose, California, United States

Alan Shugart of IBM Introduces the 23FD Floppy Disk

1971
IBM 23FD prototype

IBM 23FD "Minnow" flexible disk drive prototype ca. 1970 on a wooden stand.

in 1971 Alan Shugart at IBM San Jose introduced the first flexible magnetic storage diskette, or "floppy disk." The 23 FD 8-inch floppy disk drive with removable read-only flexible "memory disks" provided storage capacity of 80 kilobytes, or the data recorded on about 3,000 punched cards.

Timeline Themes