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The Compact Disc File System (CDFS) is a file system for read-only and write-once CD-ROMs developed by Simson Garfinkel and J. Spencer Love at the MIT Media Lab between 1985 and 1986. [1] The file system provided for the creation, modification, renaming and deletion of files and directories on a write-once media.
Disc Description Protocol (DDP) is a format for specifying the content of optical discs, including CDs and DVDs. DDP is commonly used for delivery of disc premasters for duplication. DDP is a proprietary format and is the property of DCA. [1] The file format specification is not freely available. The DDP must contain 4 parts: [2]
Optical-disc images are uncompressed and do not use a particular container format; they are a sector-by-sector copy of the data on an optical disc, stored inside a binary file. Other than ISO 9660 media, an ISO image might also contain a UDF (ISO/IEC 13346) file system (commonly used by DVDs and Blu-ray Discs ), including the data in its files ...
CD-R (Compact disc-recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can only be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most CD readers manufactured prior to the introduction of CD-R, unlike CD-RW discs.
Disc harrow, a farm implement; Discus throw or disc throw, a track and field event involving a heavy disc; Intervertebral disc, a cartilage between vertebrae; Disk (functional analysis), a subset of a vector space; Disc, a British music magazine; Disk, a part of a flower; Disc number, numbers assigned to Inuit by the Government of Canada
M-DISC's design is intended to provide archival media longevity. [3] [4] M-Disc claims that properly stored M-DISC DVD recordings will last up to 1000 years. [5]The M-DISC DVD looks like a standard disc, except it is almost transparent with later DVD and BD-R M-Disks having standard and inkjet printable labels.
The International Symposium on Distributed Computing (DISC) is an annual academic conference for refereed presentations, whose focus is the theory, design, analysis, implementation, and application of distributed systems and networks.
In later years, the compact disc was adapted for non-audio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc (LD). By 2007, 200 billion CDs (including audio CDs, CD-ROMs and CD-Rs) had been sold ...