1 votes 1 votes If the main memory is of 128 K byte and the cache memory is of 16 byte line . It uses associative mapping . Then the tag bits for cache blocks are......... 11 bit 21bits 16bits 20 bits CO and Architecture co-and-architecture + – akankshadewangan24 asked Jan 18, 2018 akankshadewangan24 554 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments saxena0612 commented Jan 18, 2018 reply Follow Share Associative mapping is given! TAG WORD OFFSET $17$ bits to represent complete memory block $4$ bits is for offset which is not used for matching of TAG $\therefore 17-4=13$ bits whats wrong? 1 votes 1 votes saxena0612 commented Jan 18, 2018 reply Follow Share @ abhishek tiwary Please refer my question, this question is not well typed. Its $16$B lines. which is size of $1$ line. 0 votes 0 votes abhishek tiwary commented Jan 18, 2018 reply Follow Share @ saxena i am not saying wrong i am saying your question is complete and this is typo yes 13 is correct 0 votes 0 votes Please log in or register to add a comment.