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How do DVD's work?

Updated: 11/6/2022
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11y ago

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data is stored as small dots on the disc, as it spins around a laser beam is shone on these dots, and a sensor records whether the beam was reflected back (a dot) or not (a space between dots). This information is stored in binary code (0s and 1s), and translated into instructions for the TV to show certain images and sound.

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11y ago
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13y ago

DVD, popularly know as the Digital Versatile Disc (it really means Digital Versatile Disc), is the next generation of optical disc media.Though a DVD looks like a CD, inside it holds between 7 and 25 times the data. That means a new level of quality and convenience for movies, music, multimedia and interactive software. Never before has one new technology changed so many aspects of home entertainment.

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14y ago

Data on a CD is written is form of small dots. A laser is used in CD drive to read data from CD. The light reflected because of the dots on the CD is translated to 1's and 0's.

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