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Digital data copiers designed to make copies of a compact disk (CD) and/or a digital versatile disk (DVD, also known as digital video disk). These copiers usually consist of a high-speed automated handheld or portable electromechanical unit that can make one or more copies from a master disk to several single disks; the copiers usually include electronic circuits, mechanisms, controls, and appropriate holders for the CDs and/or DVDs to be copied. The copiers may work simultaneously with drives that have different interfaces, such as universal serial bus (USB), or parallel and serial attachments (i.e., PATA and SATA respectively); most copiers can support a variety of DVD and CD formats, including DVD-ROM, DVD-R, DVD-Video, DVD-RW, DVD+R, DVD+RW, CD-DA, and CD-ROM. CD/DVD disk copiers are mainly used to duplicate media containing data, video, and/or music.
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