so called from the disjunctive operation of such circuits; see or1(def 6)
British Dictionary definitions for OR circuit
OR circuit
/ɔː/
noun
1.
(computing) a logic circuit having two or more input wires and one output wire that gives a high-voltage output signal if one or more input signals are at a high voltage: used extensively as a basic circuit in computers Compare AND circuit, NAND circuit
Word Origin
C20: so named from its similarity to the function of or in logical constructions