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storage device vs optical disc

optical disc vs storage device

storage device and optical disc both are nouns.

Word NounAdjectiveVerbAdverb
storage device Yes No No No
optical disc Yes No No No
As nouns, optical disc is a hyponym of storage device; that is, optical disc is a word with a more specific, narrower meaning than storage device:
  • storage device: a device that preserves information for retrieval
  • optical disc: a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
storage device (noun) optical disc (noun)
a device that preserves information for retrieval a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
Difference between storage device and optical disc

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