Question 5: (7 Points) Assume: A processor has a direct mapped cache, each word consists of one byte. The cache memory block consists of 16 words. The physical address is 20 bits long, The tag is 11 bits a. (3 Points) How many blocks are in this cache? b. (1 Point) What is the format of the memory address as seen by the cache c. (2 Points) Assume the four digit of your ID (from right) is a hexadecimal number that represents a memory address, to which cache block will this address map? d. (1 Point) What is the total size of the main memory in bits