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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 8 (Q.No. 31)
Exam Questions Papers
31.
The logic circuit given below converts a binary code y1 y2, y3 into
Excess - 3 code
Gray code
BCD code
Hamming
Answer: Option
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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