CISC 401/601 assignment 2.

Each exercise is worth 10 points.

1. CISC 401 students: Exercise 2 on page 43.
   CISC 601 students: Exercise 3 on page 43.
2. CISC 401 students: Exercise 5 on page 47.
   CISC 601 students: Exercise 10 on page 48.
3. Exercise 1 on page 51.
4. Exercise 1 on page 54.
5. Exercise 4 on page 58.
6. Exercise 8 on page 59.