52 lines
940 B
Markdown
52 lines
940 B
Markdown
# smiley blocks quiz answers
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This is the answer key for the [smiley quiz](/lessons/smiley/quiz).
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## 1. Describe what `show LEDs` does
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A function that will display an image on the LED screen
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## 2. Why is there an extra empty frame after the smiley face?
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<br/>
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The extra empty image with show LED creates a blinking smiley, allowing the micro:bit to alternate between showing the smiley and the empty screen.
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## 3. Draw the image created with this code
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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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## 4. Write the code to make this image
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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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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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