Question:

Three logic gates are connected as shown in the figure. If the inputs are \(A = 1\), \(B = 0\) and \(C = 0\) then the values of \(y_1\), \(y_2\) and \(y_3\) respectively are: 


 

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Check each gate's logic function carefully and trace the signal through the circuit step by step to determine the output at each stage.
Updated On: Mar 13, 2025
  • \(1, 0, 0\)
  • \(1, 1, 0\)
  • \(1, 1, 1\)
  • \(0, 0, 1\)
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The Correct Option is A

Solution and Explanation

Analyze each gate output. The first gate is an AND gate with inputs \(A\) and \(B\) (\(1\) and \(0\)), so \(y_1 = A \land B = 0\).
The second gate is a NOT gate with input \(y_1\) (\(0\)), so \(y_2 = \neg y_1 = 1\).
The third gate is an OR gate with inputs \(y_2\) and \(C\) (\(1\) and \(0\)), so \(y_3 = y_2 \lor C = 1\).
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