• direct-attached storage (DAS)

    Direct-attached storage (DAS) is computer storage that is directly attached to one computer or server and is not, without special support, directly accessible to other ones.

  • delta differencing

    Delta differencing is an incremental approach to backup that only backs up blocks that have changed after the first full backup. The differences are recorded in files called deltas.

  • network-attached storage (NAS)

    Network-attached storage (NAS) is a dedicated hard disk storage device that provides file-based data storage services to other devices on the network.

  • auxiliary storage

    Auxiliary storage is all addressable data storage that is not currently in a computer's main storage or memory.

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  • 8-track tape

    An 8-track tape is a hard plastic cartridge about the size of an external modem that houses a continuous loop of non-digital (analog) audio data stored on magnetic tape. 

  • DLT (digital linear tape)

    DLT (digital linear tape) is a form of magnetic tape and drive system used for computer data storage and archiving. 

  • Mammoth

    Mammoth is a magnetic tape and drive system used for computer data storage and archiving. 

  • disk duplexing

    Disk duplexing is a variation of disk mirroring in which each of multiple storage disks has its own SCSI controller. 

  • DVD-RAM

    DVD-RAM is a DVD(optical disc) technology for high-capacity data storage for computers. 

  • MrSID (Multi-resolution Seamless Image Database)

    MrSID (Multi-resolution Seamless Image Database) is an image compressor, viewer, and file format for extremely large raster graphics images. 

  • digital film

    Digital film is any storage medium (such as a memory card, diskette, or recordable CD) used in a digital camera to capture and store images. 

  • CompactFlash card (CF card)

    A CompactFlash (CF) card is a popular memory card developed by SanDisk in 1994 that uses flash memory to store data on a very small card. 

  • megabytes per second (MBps)

    Megabytes per second (MBps) describes a unit of data transfer to and from a computer storage device. 

  • tape backup

    In computers, tape backup is the ability to periodically copy the contents of all or a designated amount of data from its usual storage device to a tape cartridge device so that, in the event of a hard disk crash or comparable failure, the data will ...