51 lines
977 B
Markdown
51 lines
977 B
Markdown
# strobe light quiz
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Learn how to create a blinking LED script with a for loop. #LED #screen #plot #docs
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## Name
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## Directions
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Use this activity document to guide your work in the [strobe light tutorial](/microbit/lessons/strobe-light/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 for loop?
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## 2. Draw which LEDs are ON after running this code
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```blocks
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for (let i = 0; i < 5; i++) {
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for (let j = 0; j < 5; j++) {
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led.plot(i, j)
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}
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}
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```
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## 3. Draw which LEDs are ON after running this code
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```blocks
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for (let i1 = 0; i1 < 3; i1++) {
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for (let j1 = 0; j1 < 3; j1++) {
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led.plot(i1, j1)
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}
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}
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```
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## 4. Draw which LEDs are ON after running this code
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```blocks
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for (let i2 = 0; i2 < 2; i2++) {
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for (let j2 = 0; j2 < 2; j2++) {
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led.plot(i2, j2)
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}
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}
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```
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