Programming Functions Quiz

What is a function in programming?

• A line of code

• A reusable block of code that performs a task

• A variable name

• A programming language

In Karel, what does the command move() do?

• Turns Karel left

• Moves Karel one space forward

• Stops Karel

• Places a beeper

What command would you use to turn Karel 90 degrees to the left?

• turnLeft();

• move();

• turnRight();

• pickBeeper();

What is the purpose of defining a function in Karel?

• To add errors to the program

• To simplify the program and avoid repeated code

• To create variables

• To stop the program

Which of the following is an example of a function call?

• turnLeft();

• function turnAround() { ... }

• int x = 5;

• if (x == 0)

What happens if Karel tries to move into a wall?

• Karel stops and the program continues

• Karel turns around

• The program throws an error

• Karel moves to the next available space

What does takeBall() ; do in Karel?

• Moves Karel forward

• Karel picks up a ball from the current position

• Turns Karel left

• Stops the program

How do you create a function called turnAround() in Karel?

• function turnAround() { move(); }

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

• function turnAround() { turnRight(); }

• function turnAround() { pickBeeper(); }

What is pair programming?

• A solo coding activity

• Two programmers working together on the same code

• Debugging with a partner

• Writing code twice

What are the two roles in pair programming?

• Driver and Navigator

• Programmer and Debugger

• Teacher and Student

• Leader and Follower