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If the parity bit takes value one then the summation of code-word gives

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If the parity bit takes value one then the summation of code-word gives

(a) Even result

(b) Odd result

(c) Even & Odd result

(d) None of the mentioned

The question was posed to me in an interview.

Enquiry is from Structured Sequence topic in division Channel Coding of Digital Communications

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Correct choice is (a) Even result

To explain: The parity bit takes on the value of one or zero to ensure that the summation of all the bits in the code-word yields even or odd result.

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