OR circuit vs logic gate

OR circuit and logic gate both are nouns.

Word	Noun	Adjective	Verb	Adverb
OR circuit	Yes	No	No	No
logic gate	Yes	No	No	No

As nouns, logic gate is a hypernym of OR circuit; that is, logic gate is a word with a broader meaning than OR circuit:

OR circuit: a gate circuit in a computer that fires when any of its inputs fire
logic gate: a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs

Other hypernyms of OR circuit include gate.

OR circuit (noun)	logic gate (noun)
a gate circuit in a computer that fires when any of its inputs fire	a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs