ii. Explain in points how the compact disc lost its shine after the evolution of other storage devices?
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It's amazing when you think about it: you can store a movie several hours long on a shiny piece of plastic no bigger than your hand! Although compact discs (CDs) have been around for more than 30 years, they are still one of the most popular ways of storing music and computer data. In the mid-1990s, CDs evolved into digital video/versatile discs (DVDs), which look and work in a similar way but can store about seven times more. And now we have Blu-ray™, which can store six times more than a DVD—or about 40 times more a than CD! Have you ever wondered how CDs, DVDs, and Blu-rays actually work? Let's take a closer look!
Note: Throughout this article, we'll talk about CDs. But almost everything about CDs also holds true for DVDs and Blu-ray discs.
Note: Throughout this article, we'll talk about CDs. But almost everything about CDs also holds true for DVDs and Blu-ray discs.
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