2425 Bell FOC Final Exam Review

Which command makes the Karrel move forward one space in the grid?

• move();

• turnLeft();

• turnRight();

• placeMarker();

Which command makes the Karrel turn 90 degrees to the left?

• turnLeft();

• move();

• turnRight();

• collectMarker();

Why are functions useful in programming?

• They allow for code to be reused and make programs more organized.

• They make the program run faster.

• They automatically fix errors in the code.

• They are required for Karrel to move.

What does the command turnAround() typically do in the Karrel environment?

• Makes the Karrel turn 180 degrees.

• Makes the Karrel move backward.

• Makes the Karrel face a random direction.

• It's not a standard Karrel command.

What is a "while loop" used for in programming?

• To execute a block of code repeatedly as long as a certain condition is true.

• To execute a block of code a specific number of times.

• To define a function.

• To store data.

What is an "if statement" used for in programming?

• To execute a block of code only if a certain condition is true.

• To repeat a block of code.

• To define a variable.

• To move Karrel forward.

What does if FrontIsClear() evaluate to?

• True if there is no obstacle directly in front of the Ball, false otherwise.

• The number of markers in front of the Ball

• The direction the Ball is facing.

• The current position of the Ball.

What does if BallIsPresent() evaluate to?

• True if there is at least one Ball current location, false otherwise.

• The total number of Balls in the world.

• The number of markers Karrel is carrying.

• The location of the nearest marker.

What is the purpose of comments in code?

• To explain the code to humans.

• To make the code easier for the computer to understand.

• To make the code run faster.

• To automatically fix errors.

How do you call or execute a function that has been defined as myFunction()?

• myFunction()

• execute myFunction

• call myFunction()

• myFunction;