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Sigma KEE - DVD
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DVD
An instance of DVD (Digital Versatile Disk) is a disc-shaped DigitalDataStorageDevice similar to a CompactDisc, but with a larger storage capacity.
Relationships      
Parents DigitalDataStorageDevice An instance of DigitalDataStorageDevice is an ElectronicDataStorageDevice intended to be used for storing data (information) in some digital (discrete bit) encoding scheme designed for interpretation by computers.
  OpticalDisc This Class comprises several subclasses of disc-shaped data storage devices. Unless otherwise indicated, instances of all of these classes are generally consist of plastic discs incorporating one or more reflective layers of gold or aluminum, which is pitted by a laser to encode data.


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