The OR logic gate enables the output to be 1, if any input is 1, as shown in the truth table. Analogously follows for three or more inputs. The voltage VCC will pass through to the output if the voltage is present at A or B input, or at both inputs.
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The OR logic gate enables the output to be 1, if any input is 1, as shown in the truth table. Analogously follows for three or more inputs. The voltage VCC will pass through to the output if the voltage is present at A or B input, or at both inputs.