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12th Class Physics Semiconducting Devices Question Bank Semiconducting Devices Conceptual Problems

  • question_answer
    The output of an OR gate is connected to both the inputs of a NAND gate. Draw the logic circuit of this combination of gates and write its truth table.             

    Answer:

                        The logic circuit of the combination is shown below:                                                                                                                                       Truth table
    A B \[\Upsilon '=A+B\] \[\Upsilon =\overline{\Upsilon '.\Upsilon '}\]
    0 0 0 1
    0 1 1 0
    1 0 1 0
    1 1 1 0
     


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