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How do CD's save information on the disc?

Updated: 8/16/2019
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16y ago

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Small cuts in the plastic cause refraction of a lazer beam to send a code that gives the information

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Q: How do CD's save information on the disc?
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An optical storage device is an electro-mechanical unit that can save and retrieve (write and read) information on a special disc medium using a laser light. Optical drives are designed to work with several types of media: CDs ("compact disc"), DVDs (digital versatile disc" or "digital video disc") and Blu-ray discs.


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