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ElectronicDataStorageDevice3An instance of ElectronicDataStorageDevice is a DataStorageDevice intended to be used for sto...^
    DigitalDataStorageDevice12An instance of DigitalDataStorageDevice is an ElectronicDataStorageDevice intended to be used...^
        HardDiskDrive2The primary computer storage medium, which is made of one or more aluminum or glass platters, coate...^
        WriteOnceDataStorage1A DigitalDataStorageDevice on which the DigitalData once written can not be deleted or altered,...^
        RewritableDataStorage1A DigitalDataStorageDevice on which the stored DigitalData can be altered or deleted, e.g. CD...^
        ReadOnlyMemoryDataStorage1A DigitalDataStorageDevice on which it is not possible to write or alter any DigitalData except...^
        OpticalDisc3This Class comprises several subclasses of disc-shaped data storage devices. Unless otherwise i...^
        CompactDisc3An instance of CompactDisc is a flat, disc-shaped DigitalDataStorageDevice that has a reflect...^
        DVD.An instance of DVD (Digital Versatile Disk) is a disc-shaped DigitalDataStorageDevice similar...^
        DigitalAudioTapeCassette.An instance of DigitalAudioTapeCassette (DAT) is a DigitalDataStorageDevice consisting of R...^
        InternalDigitalDataStorageDevice1A type of DigitalDataStorageDevice that is installed in a Computer and not readily removable.^
        RemovableDigitalDataStorageDevice4A type of DigitalDataStorageDevice that can be temporarily installed in a computer and is readily...^
        ComputerDisk2A type of DigitalDataStorageDevice that is disk-shaped and is read while being spun in a DiskDr...^
        SolidStateDataStorageDevice2A type of DigitalDataStorageDevice which can be read with no moving parts.^

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