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The primary use for Gray code is ___________(a) Coded representation of a shaft’s mechanical position(b) Turning on/off software switches(c) To represent the correct ASCII code to indicate the angular position of a shaft on rotating machinery(d) To convert the angular position of a shaft on rotating machinery into hexadecimal codeThis question was addressed to me during an internship interview.I want to ask this question from Code Converters in chapter Combinational Circuits of Digital Circuits

Answer»

Correct answer is (a) Coded representation of a shaft’s mechanical position

The explanation is: GRAY code is useful because only one bit changes at a time, which is implemented easily in Coded representation of a shaft’s mechanical position. In Gray Code, EVERY SEQUENCE of SUCCESSIVE bits differs by 1 bit only.



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