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Unit 2 · Computer System Architecture Paper 2 CS · December 2023

Identify the code sequence: 1010, 1011, 1001, 1000

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Correct answer: C. Gray

Explanation

Successive words differ in exactly one bit. These are the Gray codes of 12, 13, 14 and 15 (1100→1010, 1101→1011, 1110→1001, 1111→1000).

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