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  2. Optical storage media writing and reading speed - Wikipedia

    en.wikipedia.org/wiki/Optical_storage_media...

    Original CD-ROM drives could read data at about 150 kB/s, 1× constant angular velocity (CAV), [1] the same speed of compact disc players without buffering. As faster drives were released, the write speeds and read speeds for optical discs were multiplied by manufacturers, far exceeding the drive speeds originally released onto the market.

  3. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    A: — Floppy disk drives, 3 + 1 ⁄ 2 ″ or 5 + 1 ⁄ 4 ″, and possibly other types of disk drives, if present. B: — Reserved for a second floppy drive (that was present on many PCs). C: — First hard disk drive partition. D: to Z: — Other disk partitions get labeled here. Windows assigns the next free drive letter to the next drive it ...

  4. List of disk drive form factors - Wikipedia

    en.wikipedia.org/wiki/List_of_disk_drive_form...

    [citation needed] With increasing sales of microcomputers having built in floppy-disk drives (FDDs), HDDs that would fit to the FDD mountings became desirable. Thus HDD Form factors, initially followed those of 8-inch, 5.25-inch, and 3.5-inch floppy disk drives. Because there were no smaller floppy disk drives, smaller HDD form factors ...

  5. Density (computer storage) - Wikipedia

    en.wikipedia.org/wiki/Density_(computer_storage)

    Hard disk drives store data in the magnetic polarization of small patches of the surface coating on a disk. The maximum areal density is defined by the size of the magnetic particles in the surface, as well as the size of the "head" used to read and write the data. In 1956 the first hard drive, the IBM 350, had an areal density of 2,000 bit/in 2.

  6. Windows 10, version 21H2 - Wikipedia

    en.wikipedia.org/wiki/Windows_10,_version_21H2

    The Windows 10 November 2021 Update [1] (codenamed "21H2" [2]) is the twelfth major update to Windows 10 as the cumulative update to the May 2021 Update. It carries the build number 10.0.19044. It carries the build number 10.0.19044.

  7. Windows 10, version 21H1 - Wikipedia

    en.wikipedia.org/wiki/Windows_10,_version_21H1

    The Windows 10 May 2021 Update [1] (codenamed "21H1" [2]) is the eleventh major update to Windows 10. It carries the build number 10.0.19043. Version history.

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  9. Volume (computing) - Wikipedia

    en.wikipedia.org/wiki/Volume_(computing)

    On Windows XP, mount points may be managed through the Disk Management snap-in for the Microsoft Management Console. This can be most conveniently accessed through "Computer Management" in the "Administrative Tools" section of the Control Panel. More than one drive letter can refer to a single volume, as when using the SUBST command.