• 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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  • MRAM (magnetoresistive random access memory)

    MRAM (magnetoresistive random access memory) is a method of storing data bits using magnetic charges instead of the electrical charges used by DRAM (dynamic random access memory). 

  • Content Protection for Removable Media (CPRM)

    Content Protection for Removable Media (CPRM) is a hardware-based technology designed to enforce copy protection restrictions through built-in mechanisms in storage media that would prevent unauthorized file copying. 

  • CD-R (compact disc, recordable)

    CD-R (for compact disc, recordable) is a type of write once, read many (WORM) compact disc (CD) format that allows one-time recording on a disc. 

  • compact disc (CD)

    A compact disc [sometimes spelled disk] (CD) is a small, portable, round medium made of molded polymer (close in size to the floppy disk) for electronically recording, storing, and playing back audio, video, text, and other information in digital for... 

  • VCD (video CD or video compact disc)

    VCD (also called video CD, video compact disc or "disc") is a compact diskformat based on CD-ROM XAthat is specifically designed to hold MPEG-1video data and to include interactive capabilities. 

  • White Book

    The White Book, which was released in 1993 by Sony, Philips, Matsushita, and JVC, is the specification document for Video CD (VCD). 

  • CD-RW (compact disc, rewriteable)

    CD-RW (for compact disc, rewriteable) is a compact disc (CD) format that allows repeated recording on a disc. 

  • HD-ROM (High-Density - Read Only Memory)

    HD-ROM (High-Density - Read Only Memory) is a high-capacity storage technology developed at Norsam Technologies in conjunction with an IBM research group that enables a disk to store hundreds of times as much information as a CD-ROM. HD-ROM uses a ve... 

  • Double-Density Compact Disk (DDCD)

    Double-Density Compact Disk (DDCD) is a CD format that increases the storage capacity of the disk through means such as increasing the number of tracks and pits (scores on the disk that are used to encode the data). 

  • CD burner (CD recorder)

    A CD burner is the informal name for a CD recorder, a device that can record data to a compact disc.