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[[File:DVD-Video bottom-side.jpg|150px|thumbnail|right|The readable surface of a DVD]]
A '''DVD''' or '''Digital Video Disc''', since renamed '''Digital Versatile Disc''',<ref>[http://www.infoplease.com/ce6/sci/A0815510.html Digital Versatile Disc]</ref> is a circular shaped plastic disc used for playing video, and storing data. Data is read by reflecting a concentrated [[laser]] beam at a thin metallic layer within the disc. Fine holes or pits in the layer are picked up by the laser mechanism, and converted into data or video.
A '''DVD''' or '''Digital Video Disc''', since renamed '''Digital Versatile Disc''',<ref>[http://www.infoplease.com/ce6/sci/A0815510.html Digital Versatile Disc]</ref> is a circular shaped plastic disc used for playing video, and storing data. Data is read by reflecting a concentrated [[laser]] beam at a thin metallic layer within the disc. Fine holes or pits in the layer are picked up by the laser mechanism, and converted into data or video.