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LSP 121 -- 11/16/10

Review Questions

1. What is structured programming?

2. Explain the difference between definite and indefinite repetition.

3. What is an infinite loop?

4. What happens with the following statement?
   If False
   coach.move left 3 meters
   
   Else
   
   coach.move right 5 meters

5. What is the probability that the coach will disappear?
   Loop 10 times
   
   If choose true 0.05 (5%) of the time
   
   ghost set isShowing to false

   Use the formula 1 - (1 - p)ⁿ

6. Where do you find these functions?
   choose true probabilityOfTrue

   random number

   what as string

   is at least threshold away from

   is within threshold away from

7. Place a cheshire cat in the scene. Write a world.my first method that makes the cat disappear, but leaves the smile of the cat visible.

8. How many hops does the hare make? Explain your answer.
   Loop 5 times
   
   Loop 3 times
   
   If true
   Loop 4 times
   hare.hop
   Else
   Loop 2 times
   hare.hop
9. What is the expected value of hops if the line "If true" is changed to "If choose true 0.5 (50%) of the time"?

10. How do you make an object say or think how many times an action occurs?

Go over Homework 4

• Discuss the answers for Homework 4.

Practice Final

• Go over the Practice Final.