shift register vs computing

shift register and computing both are nouns.

Word	Noun	Adjective	Verb	Adverb
shift register	Yes	No	No	No
computing	Yes	No	No	No

shift register (noun)	computing (noun)
(computer science) register in which all bits can be shifted one or more positions to the left or to the right	the procedure of calculating; determining something by mathematical or logical methods
	the branch of engineering science that studies (with the aid of computers) computable processes and structures