Question: Given: 2 5 6 KB cache, 4 - way set associative, 6 4 bytes / block and a 3 2 - bit total address space.

Given:

256

KB cache,

4 -

way set associative,

64

bytes

/

block and a

32 -

bit total address space. Valid bits require additional physical cache memory since they must be stored in the cache. This is called overhead. How many BYTES of storage are required to store all the valid bits?

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