A DVD player is a device that plays DVD discs. DVD players are common in the home, and in many businesses. DVD players can also be found in cars, where they are used to play movies or music DVDs.
DVD players use a laser beam to read data from a DVD disc. The laser beam is directed at a spinning disc, and the data is read as the disc spins. The data is then sent to a digital-to-analog converter, which converts the data into an analog signal that can be played by a speaker.
DVD players come in a variety …