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  • Computer Science (GATE Exam) 2010 - Previous Question Paper Solution
  • What is the Boolean expression for the output f of the co...
Multiple choice

What is the Boolean expression for the output f of the combinational logic circuit of NOR gates given below?

  1. $\overline{Q + R }$
  2. $\overline{P + Q }$
  3. $\overline{P + R }$
  4. $\overline{P + Q + R }$
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