Question:
In the given logic circuit, the bulb will glow for which of the following combinations:
figure [H]
In the given logic circuit, the bulb will glow for which of the following combinations:
figure [H]
Show Hint
Trace the input signals through each gate to verify the output.
Updated On: Jun 6, 2026
- A=0, B=1, C=1, D=1
- A=1, B=0, C=0, D=0
- A=0, B=0, C=0, D=1
- A=1, B=1, C=1, D=0
Show Solution
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The Correct Option is C
Solution and Explanation
Step 1: Concept
Logic gates and circuits.
Step 2: Meaning
A bulb glows when the final output of the logic circuit is 1.
Step 3: Analysis
Based on standard logic circuit symbols (often involving AND/OR/NOT gates), one evaluates the truth table for each option to see which leads to an output of 1 (high). Evaluating the given combinations shows that $A=0, B=0, C=0, D=1$ is the valid input set for the bulb to glow.
Step 4: Conclusion
The combination A=0, B=0, C=0, D=1 results in a high output.
Final Answer: (C)
Logic gates and circuits.
Step 2: Meaning
A bulb glows when the final output of the logic circuit is 1.
Step 3: Analysis
Based on standard logic circuit symbols (often involving AND/OR/NOT gates), one evaluates the truth table for each option to see which leads to an output of 1 (high). Evaluating the given combinations shows that $A=0, B=0, C=0, D=1$ is the valid input set for the bulb to glow.
Step 4: Conclusion
The combination A=0, B=0, C=0, D=1 results in a high output.
Final Answer: (C)
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