nibble vs computer memory unit

nibble and computer memory unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
nibble	Yes	No	Yes	No
computer memory unit	Yes	No	No	No

As nouns, computer memory unit is a hypernym of nibble; that is, computer memory unit is a word with a broader meaning than nibble:

nibble (noun)	computer memory unit (noun)
gentle biting	a unit for measuring computer memory
a small byte

nibble (verb)	computer memory unit (verb)
eat intermittently; take small bites of
bite off very small pieces
bite gently