Answer from cs61c-ce (aretha samuel 15797004) for Question 2
the first ALU operand comes from the register file, it is then forwarded from the prior ALU result, then it is forwarded from data memory or an earlier ALU result, the second ALU operand comes from the register file, and the second ALU operand is then forwarded frm the prior ALU result, then like the first ALU operand it is fowrarded from data memory or an earilier ALU result