Question: ( a ) A cache has 8 blocks and the main memory has 3 2 blocks. Describe the mapping functions and the tags: direct mapping,

(a) A cache has 8 blocks and the main memory has 32 blocks. Describe the mapping functions and the tags: direct mapping, and 4-way set-associative mapping, and their major advantages and disadvantages. (b) In a set-associative mapped cache, does each set have one tag or each cache block have a tag? Why tags are needed?

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