memory device vs disc

disc vs memory device

memory device and disc both are nouns.

Word	Noun	Adjective	Verb	Adverb
memory device	Yes	No	No	No
disc	Yes	No	No	No

As nouns, disc is a hyponym of memory device; that is, disc is a word with a more specific, narrower meaning than memory device:

memory device: a device that preserves information for retrieval
disc: (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored

Other hyponyms of memory device include acoustic storage, auxiliary storage, external storage, secondary storage, buffer, buffer storage, buffer store, disk, magnetic disc, magnetic disk, mag tape, magnetic tape, tape, computer memory, computer storage, memory, memory board, storage, store, optical disc, optical disk, push-down storage, push-down store, stack, recording, register, drum memory, magnetic drum, magneto-optical disc.

memory device (noun)	disc (noun)
a device that preserves information for retrieval	a flat circular plate
	sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
	(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
	something with a round shape resembling a flat circular plate

Difference between memory device and disc

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