JCECE Medical JCECE Medical Solved Paper-2013

  • question_answer
    In the adjoining circuit of logic gate, the output Y becomes zero if the inputs are

    A) \[A=1,\text{ }B=1,C=0\]      

    B)  \[A=0,\text{ }B=0,\text{ }C=0\]

    C) \[~A=0,\text{ }B=1,\text{ }C=1\]       

    D) \[~A=1,\text{ }B=0,\text{ }C=0\]

    Correct Answer: A

    Solution :

     The output \[Y=\overline{(A.B).C}\] \[=(\overline{A.B})+\overline{\overline{C}}\] \[=(\overline{A.B})+C\] So,\[Y=0\]if \[A=1,B=1\]and \[C=0\]


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