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NIMCET 2015 Question Paper with solutions

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Question : 119

Total: 120

Consider 4-bit gray code representation of numbers.Let h3h2h1h0 be the gray code representation of anumber ‘n’ and g3g2g1g0 be the gray coderepresentation of the number (n+1) modulo 16. Whichone of the following functions is correct.

g0(h3h2h1h0) = Σ (1 , 2 , 3 , 6 , 10 , 13 , 14 , 15)
g1(h3h2h1h0) = Σ (4 , 9 , 10 , 11 , 12 , 13 , 14 , 15)
g2(h3h2h1h0) = Σ (2 , 4 , 5 , 6 , 7 , 12 , 13 , 15)
g2(h3h2h1h0) = Σ (0 , 1 , 6 , 7 , 10 , 11 , 12 , 13)

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