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electronics and communication engineering exam question papers
1. The circuit shown in the figure converts
(A): BCD to Binary code
(B): Binary to excess - 3 code
(C): Excess - 3 to Gray
(D): Gray to Binary
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By: guest on 02 Jun 2017 12.55 am
Let input is 1 1 0 1 y1 = x1 y2 = x2 ⊕ x1 ⇒ 1 ⊕ 1 = 0 y3 = x3 ⊕ x2 = 0 ⊕ 0 = 0 y4 = x4 ⊕ x3 = 1 ⊕ 0 = 1 if input is gray then y1 y2 y3 y4 will be Binary.
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