Four logic symbols are shown: (I) NAND, (II) NOT, (III) AND, (IV) OR. Which represent OR, NOT and NAND respectively?
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Question

Four logic symbols are shown: (I) NAND, (II) NOT, (III) AND, (IV) OR. Which represent OR, NOT and NAND respectively?

G1 Physics · Accepted Answer

OR gate has a curved input side and pointed output side (symbol IV). NOT is a triangular inverter with a bubble (II). NAND is an AND symbol with output inversion bubble (I). Final answer: Option C.