Assertion : $NAND$ or $NOR$ gates are called digital building blocks.
Reason : The repeated use of $NAND$ (or $NOR$) gates can produce all the basic or complicated gates.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.

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