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

    The compact disc (CD) is a digital optical disc data storage format that was codeveloped by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc.

  3. A compact disc is a portable storage medium that can record, store and play back audio, video and other data in digital form. 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 ...

  4. A compact disc drive, or CD drive, is a device that lets you access a compact disc from a computer. Some CD drives are built into computers, but if your computer doesn't have one, you can usually attach an external one that connects to a USB port.

  5. Aug 29, 2023 · Compact disc is portable storage devices used for storing digital data like recording, storing, and playing video, and audio. Compact Disc can be explained as a disc-like memory device made from plastic material.

  6. Oct 18, 2022 · Abbreviated as CD, a Compact Disc is a flat, round optical storage medium invented by James Russell. The first CD was created at a Philips factory in Germany on August 17, 1982. The picture shows the bottom of a standard compact disc and is the side the disc player reads.

  7. Jun 19, 2024 · Compact disc, a molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound and other information. Learn more about the history of the compact disc, starting with its commercial introduction in 1982.

  8. Mar 6, 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.

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