AP CSP Unit 2 Review

Chad has written the majority of his code in Scratch and is ready to start thinking of test cases to make sure that his program functions properly, and when issues arise, fix them. Chad is also going to show his program to his classmate and ask for any feedback or changes he could add to make his program better. This process is known as what?

• Iterative Development Process

• Debugging

• Pseudocode

• Program Detection

Which of the below options would be the best set of instructions to give for a program designed in Scratch?

• Make your way through the maze! Avoid the brain-eating zombies and be sure to collect the “hearts” for extra lives. Good Luck!

• Dodge zombies, gain lives, all while trying to make it through the maze! Click start to begin your exciting adventure.

• Click on the GREEN flag. Once the game starts, use the arrow keys to navigate your way through the maze. In your travels, collect the “hearts” for more lives and avoid being eaten by zombies.

• Ready, set, RUN!!!!! Use your skills and intelligence to weave your way through the maze, avoiding obstacles and prove that you’ve got what it takes to survive!

Which of the following would be the most appropriate name for a variable?

• variable1

• t

• amountOfTimeRemainingInTheGame

• time_left

Consider the image above.

Which of the following values is displayed if the user inputs the following list of values for each prompt:

1 2 3 4 5 6 7 8 9 15

• 3

• 4

• 5

• 6

Assuming that before this code is run, x = 1. What would be displayed at the end?

• 2¹⁰

• 16

• 8

• 1

What condition will make the following an infinite loop?

• y = -108

• y ≠ -3

• y ≥ 8

• y < -53

If the variables onTime and absent both have the value false, what is displayed as a result of running the code segment?

• Is anyone there?

• Better late than never.

• Hello. Is anyone there?

• Hello. Better late than never.

The block of code is supposed to display "Multiple of 5" if the positive number value is in fact a multiple of 5.

Which of the following could be used in place of missing condition so the code will execute as intended?

• (value MOD 1) = 5

• (value MOD 5) = 1

• (value MOD 0) = 5

• (value MOD 5) = 0

Which of the following describes the output of the following code segment?

• The word HI could be displayed 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times

• The word HI could be displayed 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times

• The word HI could be displayed 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 times

• The word HI could be displayed 1, 2, 3, 4, 5, 6, 7, 8, or 9 times

What values, when input by the user, of A, B and C will display "Invalid Input"?

• A = -10 B = 0 C = 4

• A = 0 B = 0 C = 0

• A = -1 B = -2 C = 0

• A = -5 B = 0 C = 0