Compact disc player - Simple English Wikipedia

# Compact disc player

### From Wikipedia, a free encyclopedia written in simple English for easy reading.

A compact disc does not work without a CD player.

A CD player is a device that can read the data on a CD (compact disc), make it into binary information, and turn that into sound waves.

A CD player has a laser and an optical sensor. A CD has tracks and bumps on the tracks. The CD player passes a laser beam along the track of the CD. The areas that are reflected (without the bumps) are 1's to the player and the areas that are reflected (with the bumps) are 0's to the player. The CD player uses these 1's and 0's and turn them into sound waves which are made louder into speakers or ear/headphones so you can listen to your music or sound recordings.

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