Question:
The output of a NAND gate is zero when
The output of a NAND gate is zero when
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NAND gate output is zero only when all inputs are one.
Updated On: May 27, 2026
- All inputs are zero
- Any one input is zero
- All inputs are one
- Inputs are unequal
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The Correct Option is C
Solution and Explanation
Concept:
NAND gate is the complement of AND gate.
Step 1: AND gate gives output \(1\) only when all inputs are \(1\).
Step 2: NAND gate gives the opposite output of AND gate.
Step 3: Therefore, NAND output becomes \(0\) only when AND output is \(1\).
Step 4: This happens when all inputs are \(1\). Therefore: \[ \boxed{\text{All inputs are one}} \]
Step 1: AND gate gives output \(1\) only when all inputs are \(1\).
Step 2: NAND gate gives the opposite output of AND gate.
Step 3: Therefore, NAND output becomes \(0\) only when AND output is \(1\).
Step 4: This happens when all inputs are \(1\). Therefore: \[ \boxed{\text{All inputs are one}} \]
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