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  2. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    Media technologies vary, for example, M-DISC media uses a rock-like layer to retain data for longer than conventional recordable media. While being read-only compatible with existing DVD and Blu-ray drives, M-DISC media can only be written to using a stronger laser specifically made for this purpose, which is built into fewer optical drive models.

  3. 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 ...

  4. List of floppy disk formats - Wikipedia

    en.wikipedia.org/wiki/List_of_floppy_disk_formats

    Size Density Sides Tracks tpi bpi Sectoring Coercivity Unformatted capacity per side 2 inch Video Floppy: 52 256 >800 kB or 50 fields of analog video [1]: 2 inch LT-1: double 80 245 2 1 ⁄ 2 inch

  5. 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 ...

  6. Optical storage - Wikipedia

    en.wikipedia.org/wiki/Optical_storage

    The media was compatible with existing CD drives, allowing music and data to be recorded and then read in any existing drive. Over time, this became known as CD-R . [ 9 ] In 1990, the Orange Book added magnetic-optical re-writable versions of the CD physical format, CD-MO , which differed from earlier MO systems primarily in that the disk was ...

  7. Zip drive - Wikipedia

    en.wikipedia.org/wiki/Zip_drive

    Iomega used the DirectCD software from Adaptec to allow UDF drive-letter access to CD-R or CD-RW media. The company released an open standard CD-R drive and CD-RW media under the same ZipCD name. Early models of ZipCD drives were relabeled Philips drives, which were also so unreliable that a class action lawsuit succeeded. [17]

  8. Category:Computer storage media - Wikipedia

    en.wikipedia.org/.../Category:Computer_storage_media

    This category refers to digital media used in computer storage devices. Examples of such media include (a) magnetic disks, cards, tapes, and drums, (b) punched cards and paper tapes, (c) optical disks, (d) barcodes and (e) magnetic ink characters.

  9. History of the floppy disk - Wikipedia

    en.wikipedia.org/wiki/History_of_the_floppy_disk

    The Quick Disk uses a 2.8-inch magnetic media, break-off write-protection tabs (one for each side), and contains a see-through hole near the center spindle (used to ensure spindle clamping). Nintendo packaged the 2.8-inch magnetic media in a 3-inch×4-inch housing, while others packaged the same media in a 3-inch×3-inch square housing.