EX.1 (3 points) a A set associative cache consists of 128 lines divided into four-line sets. Main memory consists of 32M blocks of 64 words each. Show the format of a main memory address. Explain more detail about how to calculate each part of the format. [1.5 points] b. For the hexadecimal main memory address is six last digits in your roll number. Example your rollnumber is HE 140371", six last digits is "140371" Show the following information, in hexadecimal format: [1.5 points] - Tag, Line, and Word values for a direct-mapped cache, using the format of below figure: Tag Line Word Main memory address = 8 bits 14 bits Tag and Word values for an associative cache, using the format of below figure: Tag Line Word Main memory address = 8 bits 14 bits 2 bits Tag. Set, and Wordvalues for a two-way set-associative cache, using theformat of below figure: Main memory address = Tag Set 2 bits Word 9 bits 13 bits 2 bits My rollnumber is HE140368", six last digits is "140368