How does a cd spin?

you lay the cd on the tray, push it contained by, the computer reads it. simple adequate. but how does the computer physically spin the CD/DVD? just curious. appreciation

How does a cd spin?

all willy nilly close to
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by magic
Hm..I don't know exactly what you are asking. The disk is spun using a small low current, 12V motor attached to a spindle that moves up through the slot surrounded by the bottom of the tray. It has an encoder feedback circuit. Check out http://en.wikipedia.org/wiki/cd_drive... and follow any pertinent links for a detailed explanation.
When you put a cd surrounded by an old-fashioned walkman, concentration how you put the hole in it over this little cylinder piece. If you look, the cylinder is on a sort of platform. The platform and cylinder are attached to a motor, which spins it, and if there is a cd surrounded by the drive, the whole entry will spin.

The same thing applies to the modern cd players and drives, just the cylinder comes up from underneath the disk instead of being placed onto it.
When you put a cd surrounded by an old-fashioned walkman, spy how you put the hole in it over this little cylinder entity. If you look, the cylinder is on a sort of platform. The platform and cylinder are attached to a motor, which spins it, and if there is a cd surrounded by the drive, the whole entity will spin.

The same thing applies to the modern cd players and drives, individual the cylinder comes up from underneath the disk instead of being placed onto it.
beside the cd spinner
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