Given 1 GB of physical memory, a 2-way set associative cache that is 32 MB in size and has a block offset of 4 bits, answer the following: a. (2 pts) How many blocks in this cache? b. (2 pts) How many rows does this cache have? c. (2 pts) How many bits required in the cache for the tag? d. (2 pts) If the data bus is 32 bits wide, how many reads are needed to populate a cache block on a miss?