machine readable vs computing

machine readable is not a noun while computing is a noun.

Word	Noun	Adjective	Verb	Adverb
machine readable	No	Yes	No	No
computing	Yes	No	No	No

machine readable (noun)	computing (noun)
	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

machine readable (adjective)	computing (adjective)
suitable for feeding directly into a computer