CSC 160 Spring 2014 - Homework 1 (100 points)
Assigned Feb 10, due MON Feb 17
Assignments submitted on Moodle with time stamps during class time (Mon or Wed 4:15-5:30pm) will be given a grade of ZERO.

[40 pts.] Chapter 1B
  • Read Sections 1.5-1.6 of the textbook.
  • Do the following exercises in a single Interactions Pane:
    1.5.2: Write an expression which displays a picture beside its top-to-bottom reflection.
    1.5.5: Write an expression which displays four copies of a picture in a two-by-two square, each rotated differently: the top-left one should be the original picture, the top-right one should be the original picture rotated 90 degrees clockwise, the bottom-left one should be the original picture rotated 90 degrees counterclockwise, and the bottom-right one should be the original picture rotated 180 degrees. [Hints: 1) Use exercise 1.5.4, whose solution is in Section 1.5 of the Chapter 1 Powerpoint slides on Moodle, as a starting point. 2) Read the hints on the bottom of Page 17 in the textbook.]
  • Save this file to your computer or flash drive with the filename "hw1[LastName]Int.rkt".
  • Upload this file to Moodle, using the link for HW1.

    [50 pts.] Chapter 1C
  • Read Sections 1.7-1.10 of the textbook.
  • Do the following exercises on paper:
    1.7.2: Show the sequence of steps the Stepper would take in evaluating the expression (beside (rotate-ccw ball) (rotate-cw ball) ) .   [Reminder: At each step (but the last), you need to underline the sub-expression that's about to be replaced (i.e., the way Exercise 1.7.1 is done in the textbook).]
    1.8.3: Draw a box diagram to prove that (rotate-cw ball) is a legal expression.
    1.8.6: Start drawing a box diagram to try to prove that (rotate-cw ball    is a legal expression. Stop when you cannot draw any more boxes, and say in a full sentence why it is not a legal expression.
    1.8.9a: Draw a box diagram around your solution to exercise 1.5.2 to prove that it is a legal expression.
  • Submit on paper in class by the due date OR on Moodle with the filename "hw1[LastName]Box".

    [10 pts.] PSP Handout
  • Read pages 1-11 of the handout. (Handout will be given out in class on Wed 2/12.)
  • Do the Assignment on page 7.
  • Submit on paper in class by the due date OR Moodle with the filename "hw1[LastName]PSP".



    GRADING
    Question Point Value
    1.5.2 20
    1.5.5 20
    1.7.2 15
    1.8.3 10
    1.8.6 10
    1.8.9a 15
    PSP pg.7 10
    Total 100




    Last Modified: 2/10/14