electronic computer vs keyboard

electronic computer and keyboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
electronic computer	Yes	No	No	No
keyboard	Yes	No	No	No

electronic computer (noun)	keyboard (noun)
a machine for performing calculations automatically	holder consisting of an arrangement of hooks on which keys or locks can be hung
	device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like