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  1. de.wikipedia.org › wiki › Compact_DiscCompact Disc – Wikipedia

    Die Compact Disc (kurz CD, englisch für kompakte Scheibe) ist ein optischer Datenträger, der Anfang der 1980er Jahre als erster digitaler Tonträger von Philips/PolyGram und Sony in Zusammenarbeit mit dem Chemiekonzern Bayer eingeführt wurde und die Kassette ablösen sollte. Von den späten 1990er Jahren bis in die früheren ...

  2. en.wikipedia.org › wiki › Compact_discCompact disc - Wikipedia

    Standard CDs are available in two sizes. By far, the most common is 120 millimetres (4.7 in) in diameter, with a 74-, 80, 90, or 99-minute audio capacity and a 650, 700, 800, or 870 MiB (737,280,000-byte) data capacity. Discs are 1.2 millimetres (0.047 in) thick, with a 15 millimetres (0.59 in) center hole.

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  4. www.britannica.com › technology › compact-discCompact disc (CD) | Definition & Facts | Britannica

    3. Mai 2024 · Physical characteristics. compact disc manufacturing. A standard compact disc (CD) is 120 mm (4.75 inches) in diameter and 1.2 mm (0.05 inch) thick. (more) DVD to CD comparison. The DVD player uses a laser that is higher-powered and has a correspondingly finer focus point than that of the CD player.

    • The Editors of Encyclopaedia Britannica

  5. www.techtarget.com › searchstorage › definitionWhat is compact disc (CD)? | Definition from TechTarget

    A standard compact disc measures 4.7 inches, or 120 millimeters (mm), across, is 1.2 mm thick, weighs between 15 grams and 20 grams, and has a capacity of 80 minutes of audio, or 650 megabytes ( MB) to 700 MB of data. A CD works by focusing a 780 nanometer wavelength semiconductor laser onto a single track of the disc.

  6. en.wikipedia.org › wiki › CD-ROMCD-ROM - Wikipedia

    The most common size of CD-ROM is 120 mm in diameter, though the smaller Mini CD standard with an 80 mm diameter, as well as shaped compact discs in numerous non-standard sizes and molds (e.g., business card-sized media), also exist.

  7. techwatch.de › blog › the-basics-of-cd-compact-disc-and-itsDie Grundlagen der CD (Compact Disc) und ihre Definition

    8. Sept. 2023 · Tech-Lexikon. Aktualisiert am: 8. September 2023. Die Grundlagen der CD (Compact Disc) und ihre Definition. Eine CD, kurz für Compact Disc, ist ein digitales optisches Disc-Format, das häufig zum Speichern und Wiedergeben von Audio-, Video- und anderen Daten verwendet wird.

  8. electronics.howstuffworks.com › cdWhen Were CDs Invented, and How Do They Work? | HowStuffWorks

    6. März 2024 · Have you ever wonder how compact discs work? William Whitehurst / Getty Images. CDs and DVDs seem like they've been around forever. Whether they are used to hold music, data, or computer software, they have become the standard medium for distributing large quantities of information in a reliable, physical package.