What is the output of a EX-OR gate when both inputs are '1'?

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RRB JE ECE 22 Apr 2025 Shift 2 CBT 2 Official Paper
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  3. 1
  4. 0

Answer (Detailed Solution Below)

Option 4 : 0
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The correct option is 4

Concept:

Input A Input B Output (A ⊕ B)
0 0 0
0 1 1
1 0 1
1 1 0

From the truth table, it is clear that the output of an EX-OR gate is '0' when both inputs are '1'. This is because the EX-OR gate outputs '1' only when the inputs are different. When both inputs are the same (either both 0 or both 1), the output is '0'. Therefore, the correct answer is option 4.

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