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  2. Floppy disk - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk

    The latter worked because single- and double-sided disks typically contained essentially identical actual magnetic media, for manufacturing efficiency. Disks whose obverse and reverse sides were thus used separately in single-sided drives were known as flippy disks.

  3. History of the floppy disk - Wikipedia

    en.wikipedia.org/wiki/History_of_the_floppy_disk

    8-inch, 5¼-inch, and 3½-inch floppy disks. A floppy disk is a disk storage medium composed of a thin and flexible magnetic storage medium encased in a rectangular plastic carrier. It is read and written using a floppy disk drive (FDD). Floppy disks were an almost universal data format from the 1970s into the 1990s, used for primary data ...

  4. Floppy disk variants - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_variants

    Many Smith Corona "CoronaPrint" word-processor typewriters used a proprietary double-sided 3-inch diskette format named "DataDisk". Confusingly, it was labelled 2.8-inch reflecting the diameter of the magnetic disk itself rather than the media's case.

  5. Double-sided disk - Wikipedia

    en.wikipedia.org/wiki/Double-sided_disk

    Double-sided disk. A commercially-made floppy disk "notcher". In computer science, a double-sided disk is a disk of which both sides are used to store data. Early floppy disks only used one surface for recording. The term single-sided disk was not common until the introduction of the double-sided disk, which offered double the capacity in the ...

  6. Do magnets affect credit cards? - AOL

    www.aol.com/finance/magnets-affect-credit-cards...

    Key takeaways. Prolonged exposure to magnets can affect the functionality of your credit card. Cards with magnetic strips can also become demagnetized due to dirt, scratches and other damage. EMV ...

    • TI-59 / TI-58 - Wikipedia
      TI-59 / TI-58 - Wikipedia
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    • Play Solitaire Gaps Online for Free
      Play Solitaire Gaps Online for Free
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  7. History of IBM magnetic disk drives - Wikipedia

    en.wikipedia.org/wiki/History_of_IBM_magnetic...

    In 1973 IBM announced double density versions (-11 models) of the 3330 product line: the 3333–11, 3330-11 and the 3336–11; the 3336-11 Disk Packs hold up to 200 MB (808x19x13,030 bytes).

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