(d) (4%)What is the "write-through" scheme? What is the possible problem with this scheme and how can we solve the problem?

1.[20%] (1) (8%) Add one-sentence comments to each of the following MIPS code to describe what it computes. (2) (12%) Write the C code that corresponds to the following MIPS code. Assume that registers Sal and $a2 stores the base address of arrays A and B, and the register St1 stores the value of a variable i.