51 lines
1.1 KiB
Markdown
51 lines
1.1 KiB
Markdown
# speed button quiz
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counter that keeps track of how many times button "A" has been pressed #LED #screen #variables #docs #input
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## Name
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## Directions
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Use this activity document to guide your work in the [speed button tutorial](/microbit/lessons/speed-button/activity).
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Answer the questions while completing the tutorial. Pay attention to the dialogues!
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## 1. What is a variable?
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## 2. Draw which LEDs show the number being stored as a global variable called count
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```blocks
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let count = 0
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```
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## 3. Draw which LED is ON after running this code and pressing Button A twice. Explain why you chose to draw that number
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```blocks
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let count_ = 0
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input.onButtonPressed(Button.A, () => {
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count_ = count_ + 1
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basic.showNumber(count_, 100)
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})
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```
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<br/>
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## 4. Draw which LED is ON after running this code and pressing Button A five times. Explain why you chose to draw that number.
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```blocks
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let count_ = 0
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input.onButtonPressed(Button.A, () => {
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count_ = count_ + 1
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basic.showNumber(count_, 100)
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})
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```
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<br/>
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