Cache Design B: Fully Associative

Parameters:

$-$ Main Memory: $8$ GB

$-$ Block$/$row size: $256$ Byte

$-$ Cache: $4$ MB fully associative $($Note: this is size of data portion of the fully associative cache$)$

Questions B $(6$ points$)$:

a$)$ How many cache rows are there?

b$)$ How many blocks can map to a single cache row?

c$)$ What is the address breakdown for cache $($Tag$,$ Byte offset$)?$