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JEE Main & Advanced Physics Semiconducting Devices Question Bank Digital Electronics

  • question_answer
    A gate has the following truth table                [CBSE PMT 2000]            P     1     1     0     0            Q     1     0     1     0            R     1      0     0     0 The gate is

    A)            NOR                                         

    B)            OR

    C)            NAND                                     

    D)            AND

    Correct Answer: D

    Solution :

                       The Boolean expression for ?AND? gate is \[R=P.Q\]                    Þ1.1 = 1, 1.0 = 0, 0.1 = 0, 0.0 = 0


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