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SUMO
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KB Term:
OpticalDisc
Sigma KEE - OpticalDisc
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OpticalDisc
This
Class
comprises several
subclass
es of disc-shaped data storage devices. Unless otherwise indicated,
instance
s 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.
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.
Children
BluRayDisc
A type of
CompactDisc
that has significantly more storage than a
DVD
.
CompactDisc
An
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.
DVD
An
instance
of
DVD
(Digital Versatile Disk) is a disc-shaped
DigitalDataStorageDevice
similar to a
CompactDisc
, but with a larger storage capacity.
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Sigma web home
Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is
open source software
produced by
Articulate Software
and its partners