A Mac Book Cd Player is a device that is used to play compact discs. A compact disc is a disc that is about the size of a CD jewel case. A compact disc has a diameter of about 120 millimeters (4.7 inches) and a thickness of 1.2 millimeters (0.05 inches). A compact disc is made of polycarbonate. Polycarbonate is a type of plastic. Compact discs are also called CDs.

The first compact disc was invented by Philips and Sony. Philips and Sony invented the compact disc in 1982. The first compact disc was a 12-inch disc. The first compact …