Quiz submission record for quiz5-1-1 at Mon Jul 19 01:23:11 2004: Your Answer for Question 1: Simplicity and regularity simplify implementation by making the execution of different instruction classes similar. Your Answer for Question 2: A register write must be explicitly indicated by asserting the write control signal, in contrast to a read register command. Your Answer for Question 3: It probably would be "possible" but very impractical. You'd have to do some crazy stuff with the wires to get your output correct. It's easier this way to have a dedicated adder to figure out the address of the next instruction. Your unique submission ID is quiz5-1-1-cs61c-ah-1090225391-61.