The logic circuit given below converts a binary code Y1

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The logic circuit given below converts a binary code Y₁ Y₂ Y₃ into—

1. Excess-3 Code
2. Gray Code
3. BCD Code
4. Hamming Code

Correct Option: B

By Forming truth table we get

From the input and output table we see that outputs are in the form of gray code.
For example: Binary 0 0 0 → gray code 0 0 0 (first bit as it then add according to arrow shown)
0 1 1→ gray code 0 1 0 etc.
Hence alternative (B) is the correct answer.