Lab, Chapter 2
Name: _________________________________________
Date: _________________________________________
Exercises from
Chapter 2
For
each of the following exercises, create a storyboard and then translate the
storyboard to a program. Include at least one comment in your program. When
completed, demo the world to the TA or your instructor.
1.
Complete Exercise 4 (Circling Fish).
____________________
2.
Complete Exercise 5 (Tortoise Gets a Cookie). ____________________
Extra for
Experts
3.
Complete Exercise 6 (Magnet Fun). _____________________
Concept
Questions (Short answer)
4.
Describe each of the four steps used in the process of creating a computer
program.
5.
(a) What is an algorithm?
(b) In what way is an algorithm related to a
program?
6.
Textual storyboards are written in a particular format. Describe the format and
give an example to illustrate your description.
7.
(a) Describe what is meant by the term method.
(b) What does a method define?
8. What is meant by the phrase "one block
of code can be nested in
another"?
9. How do you know whether a computer program
has a bug?
10. What is the purpose of a set instruction?
11. If comments are ignored by
12. What built-in method is used to:
(a) change the
orientation of an object
(b) display a
comic-book style text bubble on the screen
(c) synchronize
the movement of one object to the movement of another