🌟CodeHS Unit 2 {Review Quiz}🌳

🌟Which of the following commands is a valid Karel command?

• move

• move;

• move();

• move()

🌟🌟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

🌟Which of the following is the correct way to define a turnRight function in Karel?

• function turnRight() { turnLeft(); turnLeft(); turnLeft(); }

• function turnRight() { turnLeft(); turnLeft(); }

• function turnRight() { turnLeft(); turnLeft(); turnLeft(); turnLeft(); }

• function turnRight() { turnLeft(); turnLeft(); turnLeft(); turnLeft(); turnLeft(); }

🌟Why do we use functions in Karel programs?

• Break down our program into smaller parts

• Avoid repeating code

• Make our program more readable

• All of the above

🌟If Karel starts at Street 1 and Avenue 1, facing East, where will Karel be, and what direction will Karel be facing after running the following code? (Assume the world is 10x10 in size)

• Street 3, Avenue 1, Facing North

• Street 1, Avenue 4, Facing North

• Street 1, Avenue 3, Facing South

• Street 1, Avenue 3, Facing North

🌟If Karel starts at Street 1 and Avenue 1, facing East, where will Karel be, and what direction will Karel be facing after running the following code? (Assume the world is 10x10 in size) move(); turnLeft(); putBall(); turnLeft(); turnLeft(); turnLeft(); move(); turnLeft();

• A) Street 2, Avenue 1, Facing West

• B) Street 3, Avenue 1, Facing North

• C) Street 1, Avenue 2, Facing South

• D) Street 3, Avenue 2, Facing East

🌟In this code, how many times is the dance function called and how many times is it defined?🌟

• Called 1 time, defined 1 time

• Called 1 time, defined 3 times

• Called 3 times, defined 1 time

• Called 3 times, defined 3 times

🌟What’s wrong with this code?

• The go function is called twice

• The go function has a syntax error

• The go function has been defined twice

• go is not a command that Karel understands

🌟How many total times will Karel move in this program?

• 1

• 5

• 6

• 7

🌟What is wrong with this for loop?

A. The for loop uses commas instead of semicolons

B. It should say i++ instead of i + 1

• A

• B

• A and B

• The for loop is correct