The compact disc (CD) is a digital optical disc data storage format co-developed by Philips and Sony to store and play digital audio recordings. It employs the Compact Disc Digital Audio (CD …

Dec 5, 2025 · 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 …

Jul 15, 2025 · Compact discs, sometimes known as CDs, typically have a diameter of 12 cm, or 4.5 inches. There are four distinct layers in it. The top layer is used to mark the disc's …

Feb 5, 2025 · You can find a second-hand CD, rip the tracks from it, and you've got a cost-effective way to enlarge your music library. We'll definitely never see CDs back where they …

Nov 25, 2025 · What is a CD (Compact Disc)? A CD, short for Compact Disc, is a digital optical disc storage format that was developed and introduced by Sony and Philips in 1982. CDs are …

Dec 2, 2025 · What Is a Compact Disc? 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 …

Oct 19, 2023 · What Is A Compact Disc? Compact disc CD is a digital storage format for optical media jointly developed by Philips and Sony. The CD format was originally developed for …

Aug 26, 2025 · Learn what a Compact Disk or CD is, its features, and its types. Discover how CDs are used for data storage and media playback!

May 23, 2025 · The first workable digital compact disc device, the precursor to now-ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist James Russell.

To solve these problems, engineers developed digital technologies that would provide an alternative to these analog formats. The first highly successful digital media for music was the …