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- 1. Multiple ChoiceAn error in a program that prevents the program from running as expected.Error reportBugMistakeAlgorithm
- 2. Multiple ChoiceWhat command will place a ball down in a spot?placeBall();Putball();putball():putBall();
- 3. Multiple ChoiceIf Karel starts at Street 1 and Avenue 3 facing East, what street (row) and avenue (column) will Karel be on after this code runs?
move();
move();
move();
turnLeft();
move();Street 1 and Avenue 3Street 4 and Avenue 4Street 2 and Avenue 6Street 6 and Avenue 2 - 4. Multiple ChoiceIf Karel is facing North and the code
runs; which direction is Karel facing now?turnLeft();
turnLeft();
turnLeft();NorthEastSouthWest - 5. Multiple ChoiceIn coding terms, the action of doing something over and over again.RepeatingRepetitionLoopDo-over
- 6. Multiple ChoiceA piece of code that you can easily call over and over again.RepeatFunctionsProceduresFractions
- 7. Multiple ChoiceHow many times should Karel turn left in order to turn right?1234
- 8. Multiple ChoiceWhat is a condition in Karel programming?What karel does during the program.A method that returns a true or false answer. Typically used within a control structure.The number of times a program loops.The place in code where the program stops running.
- 9. Multiple ChoiceWhy does a programmer indent their code?Helps show the structure of the code.Easier for other people to understand.A key part of good programming style!All of the above
- 10. Multiple ChoiceWhich of these is a valid Karel command in Java?MOVEmove();move()move;
- 11. Multiple ChoiceWhich of these is a valid Karel command in Java?turnLeft();turnleft();turnLeft()TurnLeft
- 12. Multiple ChoiceWhat is top down design?Top down design is a way of designing your program by starting with the biggest problem and breaking it down into smaller and smaller pieces that are easier to solve.Top down design is a way of designing your programs starting with the individual commands firstTop down design is a way that you can create designs on a computer to put on a web pageTop down design is a way to use loops and classes to decompose the problem
- 13. Multiple Choice
If Karel is not on a tennis ball, and all directions around are clear, what will happen when running this code?Karel will not do anythingKarel will go into an infinite loopKarel will put down a tennis ballKarel will turn left once - 14. Multiple ChoiceSay you want to write a program to have Karel put down 300 tennis balls. Which control structure would you use?A nested while loopA while loopA for loopAn if statement
- 15. Multiple ChoiceSay you want to write a program to have Karel to pick up all of the tennis balls in a location, but you don’t know how many tennis balls there are. Which control structure would you use?An if/else statementA while loopA for loopAn if statement
- 16. Multiple Choice
Why do we use functions in programming?
Break down our program into smaller parts
Avoid repeating code
Make our program more readable
All of the above
- 17. Multiple Choice
How many times should the start function be defined in a program?
0
1
2
However many you like
- 18. Multiple Choice
What is a code comment?
A way to teach Karel a new word
A way to give notes to the reader to explain what your code is doing
A message to your teacher in code
A place to write whatever you want in your code
- 19. Multiple ChoiceWhich of the following is incorrect?putBall();Takeball();move();turnLeft();
- 20. Multiple Choice
What can be used to teach Karel to turnaround?
Functions
Variables
Dog treats
Karel can already turn right
- 21. Multiple Choice
What makes the following command an invalid Karel command?
turnleft();
It should end in a colon rather than a semicolon
The l should be a capital L
It should start with a capital T
This command is correct
- 22. Multiple Choice
What is the proper format for a single line comment in Karel?
This is a comment.
// This is a comment.
/* This is a comment. */
//This is a comment.//
- 23. Multiple Choice
Which of the following is NOT a valid condition to go in an
if statement for Karel?
ballsPresent()
frontIsClear()
leftIsBlocked()
turnLeft()
- 24. Multiple Choice
What condition should be used in this
while loop to get Karel to pick up all the tennis balls on the current location?
noBallsPresent()
ballsPresent()
frontIsClear()
takeBall()
- 25. Multiple Choice
How can we teach Karel new commands?
For loop
While loop
Define a new function
The start function
- 26. Multiple Choice
What is the purpose of using a for loop in code?
To do something if a condition is true
To do something while a condition is true
To repeat something a fixed number of times
To make programs run faster
- 27. Multiple Choice
In the above code, what would be a good Postcondition to write?
Karel is on a spot with a tennis ball facing north
Karel ends one spot above a tennis ball facing East.
Karel is on the same position but on top of a ball.
Karel is facing East.
- 28. Multiple ChoiceWhat is a street in a Karel world??A row.A column.A single point.Karel's position.
- 29. Multiple ChoiceWhat is an avenue in a Karel world ?A row.Karel's position.A column.A single point.
- 30. Multiple Choice
How many total times will Karel move in this program?
1
5
6
7
- Answer choicesTagsAnswer choicesTags