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NIELIT 2021 Dec Scientist B - Section B: 73

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The logic expression for the output of following circuit is:

  1. $\overline{\text{A}}\text{C}+\overline{\text{B}}\text{C}+\text{CD}$
  2. $\text{A}\overline{\text{C}}+\text{B}\overline{\text{C}}+\overline{\text{C}}\text{D}$
  3. $\text{ABC}+\overline{\text{CD}}$
  4. $\overline{\text{AB}}+\overline{\text{BC}}+\overline{\text{CD}}$
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