Quiz submission record for quiz5-1-1 at Mon Jul 19 10:44:48 2004:

Your Answer for Question 1:
This makes the execution of many of the instruction classes similar.

Your Answer for Question 2:
It writes the value of the word onto the register so that it can be operated on.

Your Answer for Question 3:
It's because the PC only needs to use the Add function throughout its course of existence.  It's possible to rid of the Adder unit and just use the ALU, but there is the possibility that the PC counter may implement the wrong operation and crash the program.  


Your unique submission ID is quiz5-1-1-cs61c-ar-1090259088-2464.