computers. In 1967, at an IBM facility in San Jose, California, work began on a drive that led to the world's first floppydisk and disk drive. It was introduced
and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppydisk formats were developed, either
Hitachi. Both the hard disk drive (HDD) and floppydisk drive (FDD) were invented by IBM and as such IBM's employees were responsible for many of the innovations