43 lines
844 B
Markdown
43 lines
844 B
Markdown
# screen wipe quiz blocks answers
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Clear the screen by pressing the "A" button after an animation has been played
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This is the answer key for the [screen wipe quiz](/microbit/lessons/screen-wipe/quiz).
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## 1. What does the function "clear screen" do on the micro:bit?
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This function turns off all the LED lights on the LED screen.
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## 2. Write the line of code that displays this image.
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![](/static/mb/blocks/lessons/screen-wipe-4.png)
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```blocks
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basic.showLeds(`
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. # . # .
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. # . # .
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. . # . .
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# . . . #
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. # # # .
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`)
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```
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## 3. Write the condition that will detect on button A pressed
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```blocks
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input.onButtonPressed(Button.A, () => {
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})
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```
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## 4. Write the code that will clear show LEDS from the screen after pressing button A
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```blocks
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input.onButtonPressed(Button.A, () => {
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basic.clearScreen()
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})
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```
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