Learn how Compact Discs Work in this educational video from dizzo95.
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Male Speaker: Information in a computer is stored is thousands of zeros and one's called bits. On a CD Ram bits are represented by microscopic holes and bumps called bits and glands. When a laser beam is reflected of these tiny hills and valley into a photo diode they turn into an electrical pole that are computer recognizes as a stream of zero's and one's, that's recreating words images and sounds.
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