There are 4 caches with the organization and block size as indicated below. All caches hold 128 words where each word is 4 bytes. Assuming a 32-bit address 1. a. b. c. A direct-mapped cache with block size of 16 words 2-way set-associative cache with block size of 8 words 4-way set-associative cache with block size of 4 words y associative cache wi Complete the table for each cache Cache a Cache b Cache cCache d total # bits need for word + byte displacemert # bits needed for index # bits needed for tag # bits (total) per set (including valid and dirty bits)