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JEE Main & Advanced Physics Semiconducting Devices Question Bank Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits

  • question_answer
      What will be the input of A and B for the Boolean expression \[(\overline{A+B}.()\overline{A.B\,\,\,})=1\]

    A)  \[0,\,\,0\]

    B)  \[0,\,\,1\]   

    C)  \[1,\,\,0\]

    D)  \[1,\,\,1\]

    Correct Answer: A

    Solution :

    [a] For \[A=0,\,B=0,\] \[\overline{A+B}=1\]  and \[\overline{A.B}=1\] So \[\overline{(A+B)}.\overline{(A.B)}=1.\]


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