CodeHS Unit 1 Karel Test (Corgi edition)

Which of the following is a valid Karel command?

• move

• move;

• move();

• move()

Why is the following command an invalid Karel command?

turnleft();

• It should end with 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?

• 
• 
• 
• 

Why do we use functions in Karel programs?

• To break down our program into smaller parts

• To avoid repeating code

• To 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)

move();

turnLeft();

putBall();

turnLeft();

turnLeft();

turnLeft();

move();

turnLeft();

• Street 3, Avenue 1, Facing North

• Street 1, Avenue 4, Facing North

• Street 1, Avenue 3, Facing South

• Street 1, Avenue 3, Facing North

Karel starts at Street 1 and Avenue 1, facing East. After calling the stairStep function twice, where will Karel be and what direction will Karel be facing? (Assume this is a SuperKarel program and the world is 10x10 in size)

function stairStep() {

move();

turnLeft();

move();

turnRight();

}

• Street 2, Avenue 2, Facing North

• Street 3, Avenue 3, Facing East

• Street 3, Avenue 3, Facing West

• Street 4, Avenue 4, 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 times will Karel move in this program in total?

• 1

• 5

• 6

• 7

What is wrong with this for loop?

for (var i = 0, i < 10, i + 1) {

move();

}

I. The for loop uses commas instead of semicolons.

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

• I

• II

• I and II

• The for loop is correct