Question:

In a given logic circuit, the output Y when all the three inputs A, B, C are first low and then high will be respectively

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Trace each input through the gates one by one: NAND/NOR gates invert the standard AND/OR logic.
Updated On: May 12, 2026
  • (0, 0)
  • (0, 1)
  • (1, 0)
  • (1, 1)
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The Correct Option is C

Solution and Explanation


Step 1: Concept

A logic circuit processes binary inputs (0 for low, 1 for high) through gates to produce a specific output.

Step 2: Meaning

Low inputs mean $A=0, B=0, C=0$. High inputs mean $A=1, B=1, C=1$.

Step 3: Analysis

Evaluating the circuit with all inputs 0: the configuration results in an output of 1. Evaluating the circuit with all inputs 1: the logic flow leads to an output of 0.

Step 4: Conclusion

The corresponding outputs are 1 and 0 respectively. Final Answer: (C)
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