What does CD do?

The Compact Disc, or CD, was first introduced to the market in 1982. It was created as a replacement for the vinyl record, and quickly became the most popular format for music distribution and storage. CDs are made of polycarbonate plastic and can hold up to 80 minutes of music. They are read by a laser, which makes them susceptible to scratches and other damage.

How do CDs work?

When a CD is inserted into a CD player, the player’s laser beam will read the data on the disc. The player will then convert the data …