CACHE CONCEPT------ME GATE MOCK1 ----URGENT HELP NEEDED

Question

Assumr computer has MAin Memory consisting 1 M 16 bit word.It has also a 4-way set assosiative cache of 4K word and 64 word per block.the number of tag bits are-------------

Ans: given as 4K word/(64 x 2 byte) word = 32 number of blocks and then continued.....

my question is if 64 word is multiplied with 2 byte then why not 4K word also??

i did it like (4Kx2)/(64x2)   please explain it

Answer 1

You are right there approach is wrong : there should be 64 blocks