Round, platter-shape storage media written to using laser technologies. Optical disk drives use lasers to record and retrieve information, and optical media has a much longer useful life (some purported to be 100 years or more) than magnetic.
Round, platter-shape storage media written to using laser technologies. Optical disk drives use lasers to record and retrieve information, and optical media has a much longer useful life (some purported to be 100 years or more) than magnetic.