1 votes 1 votes Which of the following are linear block codes?Remember exor of two valid linear block codes is a valid codeword a) CRC b) Hamming code c) Simple parity d)All e)None Computer Networks computer-networks hamming-code + – rahul sharma 5 asked Aug 14, 2017 rahul sharma 5 859 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes correct answer is D: for further explaination check frouzan page no. 278 NOTE: CRC is cyclic code which is linear block code with additional property . vamp_vaibhav answered Aug 14, 2017 vamp_vaibhav comment Share Follow See all 4 Comments See all 4 4 Comments reply rahul sharma 5 commented Aug 15, 2017 reply Follow Share Actually i check in forouzan first, it says some linear blocks.But i dont know where that topic ends.:) Is it till CRC it is linear and from checksum it is non linear .?(As per forouzen) 0 votes 0 votes vamp_vaibhav commented Aug 15, 2017 reply Follow Share Yes it is in linear block code.. if you go further in frouzan you will see the heading CRC where it is clearly written.. CRC is special type of linear block code with additional features :) as in additional features it has introduced cyclic codes 0 votes 0 votes rahul sharma 5 commented Aug 15, 2017 reply Follow Share Ok.And checksum? 0 votes 0 votes vamp_vaibhav commented Aug 15, 2017 reply Follow Share No.. Checksum is not a linear block code.. I found somewhere saying it work like linear code but it is not linear block code 0 votes 0 votes Please log in or register to add a comment.