Intro Unit 1

Which of these is a valid Karel command?

• move;

• MOVE

• move();

• move()

If Karel is facing North and the code

turnLeft(); turnLeft();

runs, which direction is Karel facing now

• North

• South

• East

• West

What is a street in a Karel world?

• A row

• A column

• A single point

• Karel’s position

If 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 3

• Street 4 and Avenue 4

• Street 2 and Avenue 6

• Street 6 and Avenue 2

How many times should Karel turn left in order to turn right?

• 1

• 2

• 3

• 4

What can be used to teach Karel to turn right?

• Functions

• Variables

• Dog treats

• Karel can already turn right

Which function will teach Karel how to spin in a circle one time?

• function spin() { turnRight(); }

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

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

• function spin() { move(); move(); move(); move(); }

How many times should the start function be defined in a program?

• 0

• 1

• 2

• How man times you like?

How many times should you call the start function when writing your program?

• 0

• 1

• 2

• How many times you like?

Why do we use functions in programming?

• Break down our program into smaller parts

• Avoid repeating code

• Make our program more readable

• All the above