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  2. Optical disc image - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_image

    ISO 9660, UDF. An optical disc image (or ISO image, from the ISO 9660 file system used with CD-ROM media) is a disk image that contains everything that would be written to an optical disc, disk sector by disc sector, including the optical disc file system. [3] ISO images contain the binary image of an optical media file system (usually ISO 9660 ...

  3. Disk image - Wikipedia

    en.wikipedia.org/wiki/Disk_image

    A disk image contains all files and data (i.e., file attributes and the file fragmentation state). For this reason, it is also used for backing up optical media (CDs and DVDs, etc.), and allows the exact and efficient recovery after experimenting with modifications to a system or virtual machine. Typically, disk imaging can be used to quickly ...

  4. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    Optical discs. An optical disc is a flat, usually [note 1] disc-shaped object that stores information in the form of physical variations on its surface that can be read with the aid of a beam of light. Optical discs can be reflective, where the light source and detector are on the same side of the disc, or transmissive, where light shines ...

  5. Optical storage - Wikipedia

    en.wikipedia.org/wiki/Optical_storage

    Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc. An older example of optical storage that does not require the use of computers, is microform.

  6. Optical disc drive - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_drive

    The video signal was stored as an analog format like a video cassette. The first digitally recorded optical disc was a 5-inch audio compact disc (CD) in a read-only format created by Sony and Philips in 1975. [53] The first erasable optical disc drives were announced in 1983, by Matsushita (Panasonic), [54] Sony, and Kokusai Denshin Denwa (KDDI ...

  7. Comparison of disc image software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_disc_image...

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  8. ISO 9660 - Wikipedia

    en.wikipedia.org/wiki/ISO_9660

    v. t. e. ISO 9660 (also known as ECMA -119) is a file system for optical disc media. The file system is an international standard available from the International Organization for Standardization (ISO). Since the specification is available for anybody to purchase, [1] implementations have been written for many operating systems.

  9. Optical disc authoring - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_authoring

    Optical disc authoring, including CD, DVD, and Blu-ray Disc authoring, is the process of assembling source material—video, audio or other data—into the proper logical volume format to then be recorded ("burned") onto an optical disc (typically a compact disc or DVD). This act is sometimes done illegally, by pirating copyrighted material ...