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Sigma KEE - DigitalDataStorageDevice
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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.
Relationships      
Parents ElectronicDataStorageDevice An instance of ElectronicDataStorageDevice is a DataStorageDevice intended to be used for storing data (information) in some encoding scheme designed to be interpreted by electronic devices.
Children CompactDiscAn instance of CompactDisc is a flat, disc-shaped DigitalDataStorageDevice that has a reflective medium on at least one side, in which a laser is used to write and read bits of data.
 ComputerDiskA type of DigitalDataStorageDevice that is disk-shaped and is read while being spun in a DiskDrive.
 DigitalAudioTapeCassetteAn instance of DigitalAudioTapeCassette (DAT) is a DigitalDataStorageDevice consisting of RecordingTape enclosed in a plastic case, intended primarily for storing sound (audio) data in some digital encoding.
 DVDAn instance of DVD (Digital Versatile Disk) is a disc-shaped DigitalDataStorageDevice similar to a CompactDisc, but with a larger storage capacity.
 hard disk driveThe primary computer storage medium, which is made of one or more aluminum or glass platters, coated with a ferromagnetic material. Most hard disks are fixed disks, which are permanently sealed in the drive.
 InternalDigitalDataStorageDeviceA type of DigitalDataStorageDevice that is installed in a Computer and not readily removable.
 OpticalDiscThis 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.
 ReadOnlyMemoryDataStorageA DigitalDataStorageDevice on which it is not possible to write or alter any DigitalData except during its fabrication.
 RemovableDigitalDataStorageDeviceA type of DigitalDataStorageDevice that can be temporarily installed in a computer and is readily removable.
 RewritableDataStorageA DigitalDataStorageDevice on which the stored DigitalData can be altered or deleted, e.g. CD-RW.
 SolidStateDataStorageDeviceA type of DigitalDataStorageDevice which can be read with no moving parts.
 WriteOnceDataStorageA DigitalDataStorageDevice on which the DigitalData once written can not be deleted or altered, e.g. CD-R, DVD-R.


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