# answering machine blocks quiz
Create an answering machine on the micro:bit. #LED #screen #show #math #docs #input
## Name
## Directions
Use this activity document to guide your work in the [answering machine activity](/microbit/lessons/answering-machine/activity).
Answer the questions while completing the activity. Pay attention to the dialogues!
## 1. Define what `show string` does?
## 2. Draw which LED is ON after running this code
![](/static/mb/blocks/lessons/answering-machine-3.png)
![](/static/mb/empty-microbit.png)
## 3. Draw which LED is ON after running this code
![](/static/mb/blocks/lessons/answering-machine-4.png)
![](/static/mb/lessons/answering-machine-4.png)
## 4. If the rectangle below represents the micro:bit, write the code to display the letter "Z".
![](/static/mb/lessons/answering-machine-5.png)