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  1. The logic circuit given below converts a binary code y1 y2, y3 into

    2. A.
    Excess - 3 code
    B.
    Gray code
    C.
    BCD code
    D.
    Hamming

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    Answer : Option C

    Explanation :

    Let y1 = 1, y2 = 0, y3 = 1

    then x1 = 1

    x2 = y1 ⊕ y2 ⇒ 1 ⊕ 0 ⇒ 1

    x3 = x2 ⊕ y3 = 1 ⊕ 0 = 1

    which is gray code conversion.

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