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  2. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields, or suffering a sharp impact or ...

  3. Fragmentation (computing) - Wikipedia

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

    Fragmentation (computing) In computer storage, fragmentation is a phenomenon in which storage space, main storage or secondary storage, such as computer memory or a hard drive, is used inefficiently, reducing capacity or performance and often both. The exact consequences of fragmentation depend on the specific system of storage allocation in ...

  4. ST3000DM001 - Wikipedia

    en.wikipedia.org/wiki/ST3000DM001

    ST3000DM001 as external hard drives in retail packaging. Anand Lal Shimpi of AnandTech noted that the ST3000DM001 is "a bit faster in sequential performance than the old Barracuda XT, at lower power consumption" and that "Seagate appears to have optimized the drive's behavior for lower power rather than peak performance".

  5. Head crash - Wikipedia

    en.wikipedia.org/wiki/Head_crash

    A head crash. A head crash is a hard-disk failure that occurs when a read–write head of a hard disk drive makes contact with its rotating platter, slashing its surface and permanently damaging its magnetic media. It is most often caused by a sudden severe motion of the disk, for example the jolt caused by dropping a laptop to the ground while ...

  6. Disk II - Wikipedia

    en.wikipedia.org/wiki/Disk_II

    Disk II drives. The Disk II Floppy Disk Subsystem, often rendered as Disk ][, is a 5 + 1 ⁄ 4-inch floppy disk drive designed by Steve Wozniak at the recommendation of Mike Markkula, and manufactured by Apple Computer It went on sale in June 1978 at a retail price of US$495 for pre-order; it was later sold for $595 (equivalent to $2,780 in 2023) including the controller card (which can ...

  7. History of hard disk drives - Wikipedia

    en.wikipedia.org/wiki/History_of_hard_disk_drives

    History of hard disk drives. Historical lowest retail price of computer memory and storage. In 1953, IBM recognized the immediate application for what it termed a "Random Access File" having high capacity and rapid random access at a relatively low cost. [1] After considering technologies such as wire matrices, rod arrays, drums, drum arrays ...

  8. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    File Manager displaying the contents of drive C. In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes. Unlike the concept of UNIX mount points, where volumes are named and located arbitrarily in a single hierarchical namespace, drive letter assignment allows multiple highest-level ...

  9. External storage - Wikipedia

    en.wikipedia.org/wiki/External_storage

    In computing, external storage refers to non-volatile (secondary) data storage outside a computer 's own internal hardware, and thus can be readily disconnected and accessed elsewhere. Such storage devices may refer to removable media (e.g. punched paper, magnetic tape, floppy disk and optical disc ), compact flash drives ( USB flash drive and ...

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