Quiz submission record for quiz2-1-2 at Mon Jun 28 23:49:17 2004: Your Answer for Question 1: Pre-processor directives and type definitions. They serve as an abstraction layer to make programmers more efficent and less error prone. Your Answer for Question 2: Assuming that k's address been stored in $s1: lw $t0, 0($s1) add $t0, $t0, 1 sw $t0, 0($s1) Your Answer for Question 3: Nothing. I think this book is great. The book is good at putting things in perspective; it makes note of how other platforms might do things, which prevents it from being dated. Your unique submission ID is quiz2-1-2-cs61c-cm-1088491757-1998.