In block codes, parity bits are ___________ to block of messages.(a) Added(b) Subtracted(c) Multiplied(d) DividedThe question was asked in an interview.My doubt is from Block Codes and Finite Fields in division Equalization, Diversity and Channel Coding of Wireless/Mobile

In block codes, parity bits are ___________ to block of messages.(a) A

1.	In block codes, parity bits are ___________ to block of messages.(a) Added(b) Subtracted(c) Multiplied(d) DividedThe question was asked in an interview.My doubt is from Block Codes and Finite Fields in division Equalization, Diversity and Channel Coding of Wireless/Mobile
Answer» The CORRECT option is (a) Added To EXPLAIN I would say: In block codes, parity bits are added to the block of MESSAGE bits to MAKE codewords or code BLOCKS. They enable a limited number of errors to be detected and corrected without retransmission.

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