*Complete this quiz after the lesson by checking one answer per question.*

1. You always need to redraw the screen

- [ ] true
- [ ] false

2. What is a game loop?

- [ ] A function that ensures the game can be restarted
- [ ] A function that decided how fast the game should run
- [ ] A function that is invoked at regular intervals and draws what the user should see

3. A good case for redrawing the screen is
   
- [ ] A user interaction happened
- [ ] Something has moved
- [ ] Time has passed