NEET Sample Paper NEET Sample Test Paper-28

  • question_answer
    In Boolean algebra, which of the following is not equal to zero :-

    A)  \[A.\overline{A}\]                  

    B)  \[A.0\]

    C)  \[\overline{A+A}\]                

    D)  \[\overline{\overline{A}.0}\]

    Correct Answer: D

    Solution :

    \[A.\bar{A}=0\] \[A.0=0\] \[\overline{A+\overline{A}}=\bar{1}=0\]    \[\overline{A.0}=\bar{0}=1\]


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