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JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

  • question_answer
    Which logic gate with inputs A and B performs the same operation as that performed by the following circuit?     JEE Main Online Paper (Held On 07 May 2012)

    A) NAND gate        

    B)                        OR gate

    C)                        NOR gate            

    D)                        AND gate

    Correct Answer: B

    Solution :

                    When either of A or B is 1 i.e. closed then lamp will glow. In this case. Truth table
    Inputs   Out put
    A B Y
    0 0 0
    0 1 1
    1 0 1
    1 1 1.
    This represents OR gate.


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