Q40

MCQ2 marks, −0.5

Consider numbers represented in 4-bit Gray code. Let $h_{3}h_{2}h_{1}h_{0}$ be the Gray code representation of a number $n$ and let $g_{3}g_{2}g_{1}g_{0}$ be the Gray code of $(n+1)(modulo 16)$ value of the number. Which one of the following functions is correct?

(A)

$g_{0}(h_{3}h_{2}h_{1}h_{0})=\sum (1,2,3,6,10,13,14,15)$

(B)

$g_{1}(h_{3}h_{2}h_{1}h_{0})=\sum (4, 9,10,11,12,13,14,15)$

(C)

$g_{2}(h_{3}h_{2}h_{1}h_{0})=\sum (2, 4,5,6,7,12,13,15)$

(D)

$g_{3}(h_{3}h_{2}h_{1}h_{0})=\sum (0,1,6,7,10,11,12,13)$

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