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Vor 3 Tagen · A CD, or Compact Disc, is a digital optical disc storage format that was developed and introduced to the market in the early 1980s. It is used for storing and playing back audio, video, and other types of data. CDs are typically made of a polycarbonate plastic substrate, with a thin layer of aluminum or other reflective material on the bottom side, and a protective layer on top. The data on a ...
7. Mai 2024 · They called it: the ‘compact disc’, known today as the CD. It was a modern product for a modern era. But in designing the shiny metallic disc they went back more than 150 years in history for inspiration, to the great German composer and revolutionary of his own time, Ludwig van Beethoven .
14. Mai 2024 · 45 subscribers. Subscribed. 1. 78 views 2 days ago #CompactDiscs #TechnologyExplained. Explore the fascinating history and technology behind compact discs (CDs) in simple English. From their...
26. Mai 2024 · **CDs, short for Compact Discs, are optical storage devices designed to store and retrieve digital data.** Originally introduced in the early 1980s, CDs revolutionized the way digital information was stored and accessed. These circular discs are made of polycarbonate and coated with a reflective layer, allowing them to store large ...
Vor 5 Tagen · Blu-ray, optical disc data-storage format that is most often used for playback of high-definition (HD) video. Blu-ray represents the third generation of compact disc (CD) technology, after audio CDs and digital video discs (DVDs). In all three technologies, data is stored on a plastic disc 120 millimetres (4.75 inches) in diameter.
11. Mai 2024 · Accretion disk, a disklike flow of gas, plasma, dust, or particles around any astronomical object in which the material orbiting in the gravitational field of the object loses energy and angular momentum as it slowly spirals inward. In astrophysics, the term accretion refers to the growth in mass
