a cahe has 64 KB capacity, 128 byte line, and is 4 way set associative. the system containing the cache uses 32 bit addresses. If the cache is write through, _____bits are reuired for each entry in the tag array, and total storage required is __________ for the tag array if LRU replacement policy is used.
20,974 21,456
10,572 21,456
none