how many data stored by compact disc approximately
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Standard CDs have a diameter of 120 millimetres (4.7 in) and are designed to hold up to 74 minutes of uncompressed stereo digital audio or about 650 MiB of data. Capacity is routinely extended to 80 minutes and 700 MiB by arranging more data closely on the same sized disc.
Usage: Audio and data storage
Extended to: CD-RW; DVD
Write mechanism: 780 nm wavelength (infrared and red edge) semiconductor laser in ...
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