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Upon the basis of the Juusyoku Record patent issued in 1952, Nakamatsu claims to have invented the first floppy disk [3] well before IBM's floppy disk patent was filed in 1969. [26] However, what Nakamatsu patented in 1952 was a paper for optical sound player. [ 12 ]
8-inch floppy disk, inserted in drive, (3½-inch floppy diskette, in front, shown for scale) 3½-inch, high-density floppy diskettes with adhesive labels affixed The first commercial floppy disks, developed in the late 1960s, were 8 inches (203.2 mm) in diameter; [4] [5] they became commercially available in 1971 as a component of IBM products and both drives and disks were then sold ...
White 5¼-inch floppy disk. Floppy disks were supported on IBM's PC DOS and Microsoft's MS-DOS from their beginning on the original IBM PC. With version 1.0 of PC DOS (1981), only single-sided 160 KB floppies were supported. Version 1.1 the next year saw support expand to double-sided 320 KB disks. Finally, in 1983, DOS 2.0 supported 9 sectors ...
Japan's government has finally eliminated the use of floppy disks in all its systems, two decades since their heyday, reaching a long-awaited milestone in a campaign to modernise the bureaucracy.
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It grew quickly and became a leading manufacturer of floppy disks by the end of the 1970s, and it was soon renamed Verbatim. In 1982, it formed a floppy disk joint venture with Japanese company Mitsubishi Kasei Corporation (forerunner of Mitsubishi Chemical Corporation), with the joint venture called Kasei Verbatim.
Japan's newly appointed digital minister Taro Kono is looking to get rid of all floppy disks still used by the government and businesses.
8-inch, 5 + 1 ⁄ 4-inch, and 3 + 1 ⁄ 2-inch floppy disks. This is a list of different floppy disk formats. Physical formats. Size Density Sides Tracks tpi bpi ...