How does a CD work ??

By Ravi Bandakkanavar | May 16, 2011

All of you have used CDs right ?? But no one worried about how does a CD work ??

Go through this video to know how a CD works by using photo diode and laser beams…..

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2 thoughts on “How does a CD work ??”

naziya February 13, 2017

video does not exist message is displaying please reupload

Reply ↓
1. Ravi Bandakkanavar Post authorFebruary 13, 2017
  
  Thanks for identifying Naziya. I do not know how my video was deleted.
  
  I have re-linked it to something better.
  
  Reply ↓

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