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Unit 2 · Computer System Architecture Paper 2 CS · June 2025

Gray code equivalent to decimal number 8 is:

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Correct answer: B. 1100

Explanation

8 = 1000 in binary. Gray code: keep the MSB (1), then XOR adjacent bits: 1⊕0 = 1, 0⊕0 = 0, 0⊕0 = 0 → 1100.

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