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2. Verbatim (brand) - Wikipedia

   en.wikipedia.org/wiki/Verbatim_(brand)

   A pair of 5.25" floppy disks from 1978. In 1969, the first digital-grade tape cassettes were released. [citation needed] 8" diskettes were first released in 1974. In 1991, Verbatim released the world's first 3.5" magneto-optical disk. Verbatim started its successful foray into the optical disc market in 1993 with CD-R media.

3. History of the floppy disk - Wikipedia

   en.wikipedia.org/wiki/History_of_the_floppy_disk

   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 ...

4. List of floppy disk formats - Wikipedia

   en.wikipedia.org/wiki/List_of_floppy_disk_formats

   Single head drive, but double-sided floppy discs (total of 360 kB per floppy) Amstrad PCW8512/9512: 3 inch Double 2 80 9 512 720 kB 300 MFM 720 kB mode uses both sides - ensure disc inserted correct way up. Apple II: 5 1 ⁄ 4 inch Double 1 35 13 256 soft 113.75 kB 300 GCR [NB 2] 1 16 140 kB 3 1 ⁄ 2 inch Double 1 80 Variable (8-12) 512 400 kB

5. Remember floppy disks? This supplier says business is booming

   www.aol.com/news/remember-floppy-disks-supplier...

   And if you built a plane 20 or 30 or even 40 years ago, you would use a floppy disk to get information in and out of some of the avionics of that airplane."Persky sells about 500 disks a daybut ...

6. Floppy disk variants - Wikipedia

   en.wikipedia.org/wiki/Floppy_disk_variants

   A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...

7. Floppy disk - Wikipedia

   en.wikipedia.org/wiki/Floppy_disk

   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 ...