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

  • question_answer
    The following circuit represents

    A)  OR gate

    B)  XOR gate 

    C)  AND gate

    D)  NAND gate

    Correct Answer: B

    Solution :

    [b] Output of upper AND gate \[=\bar{A}\,B\] Output of lower AND gate  \[=A\,\bar{B}\] \[\therefore \]  Output of OR gate, \[Y=A\bar{B}+B\bar{A}\] This is boolean expression for XOR gate. 


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