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memory device vs optical disc

optical disc vs memory device

memory device and optical disc both are nouns.

Word NounAdjectiveVerbAdverb
memory device Yes No No No
optical disc Yes No No No
As nouns, optical disc is a hyponym of memory device; that is, optical disc is a word with a more specific, narrower meaning than memory device:
  • memory 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
Other hyponyms of memory device include acoustic storage, auxiliary storage, external storage, secondary storage, buffer, buffer storage, buffer store, disc, disk, magnetic disc, magnetic disk, mag tape, magnetic tape, tape, computer memory, computer storage, memory, memory board, storage, store, optical disk, push-down storage, push-down store, stack, recording, register, drum memory, magnetic drum, magneto-optical disc.
memory 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 memory device and optical disc

Words related to "memory device"

Words related to "optical disc"

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