1) Which of the symbols shown represents the AND gate? a) a b) b c) c d) d 2) The equivalent logic gate for combinational logic circuit shown is: a) XOR gate b) AND gate c) NAND gate d) NOR gate 3) The Boolean expression for a 2-input X-OR gate is? a) X = A⊕ B ⊕ C b) X = A + B c) X = A ⊕ B d) X= ( A + B ) 4) The output of a NOR gate is HIGH (1) if ? a) all inputs are HIGH (1) b) any input is HIGH(1) c) any input is LOW (0) d) all inputs are LOW (0) 5) The equivalent logic gate for combinational logic circuit shown is: a) 2 input OR Gate b) 3 input OR Gate c) 3 input NOR Gate d) 2 input XOR Gate

Logic Gates

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