pxt-calliope/docs/lessons/answering-machine/quiz-answers.md

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# answering machine blocks quiz answers
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Create an answering machine on the micro:bit.
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This is the answer key for the [answering machine quiz](/lessons/answering-machine/quiz).
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## 1. Define what `show string` does?
Answers may vary. This is a function that will show a string on the LED screen one character at a time (scrolling from left to right).
## 2. Draw which LED is ON after running this code
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```blocks
basic.showString("Y")
```
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![](/static/mb/lessons/answering-machine-0.png)
## 3. Draw which LED is ON after running this code
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```blocks
basic.showString("Hi")
```
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![](/static/mb/lessons/answering-machine-1.png)
## 4. If the rectangle below represents the micro:bit, write the code to display the letter "Z".
![](/static/mb/lessons/answering-machine-2.png)
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```blocks
basic.showString("Z")
```
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