pxt-calliope/olddocs/lessons/smiley/quiz.md

smiley blocks quiz

Make a smiley face blink

Name

Directions

Use the hints in the Smiley activity to answer this quiz!

1. Describe what show LEDs does

2. Why is there an extra empty frame after the smiley face?

3. Draw the image created with this code

basic.showLeds(`
    . # . # .
    . # . # .
    . . . . .
    # . . . #
    . # # # .
    `)

4. Draw the images created with this code

basic.showLeds(`
    . # . # .
    . # . # .
    . . . . .
    # . . . #
    . # # # .
    `)
basic.showLeds(`
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    `)