Using the figure below of a cache memory. a$)$ what is the size of the cache in KiB$($type the details of your answer, i$.$e$,$ number of blocks, words and bytes per block, type of multiplexer$)$ b$)$ what is the ratio between the total bit required for the cache implementation and the data storage bits? $($type the details of your answer, i$.$e$,$ data storage bits and total bits$)$