buffer vs memory device

memory device vs buffer

buffer and memory device both are nouns.

buffer is a verb but memory device is not a verb.

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

As nouns, memory device is a hypernym of buffer; that is, memory device is a word with a broader meaning than buffer:

buffer: (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
memory device: a device that preserves information for retrieval

Other hypernyms of buffer include storage device.

buffer (noun)	memory device (noun)
a cushion-like device that reduces shock due to an impact	a device that preserves information for retrieval
a power tool used to buff surfaces
an inclined metal frame at the front of a locomotive to clear the track
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
a neutral zone between two rival powers that is created in order to diminish the danger of conflict
(chemistry) an ionic compound that resists changes in its pH

buffer (verb)	memory device (verb)
add a buffer (a solution)
protect from impact

Difference between buffer and memory device

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