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

  • question_answer
    The output of an AND 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 for the given combination of gates is shown below.                                                           Truth table
     A B \[\Upsilon '=A\,.\,B\] \[\Upsilon =\overline{\Upsilon '.\Upsilon '}\]
    0 0 0 1
    0 1 0 1
    1 0 0 1
    1 1 1 0
     


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