App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 546 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
3. 3.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
4. 4.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
5. 5.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) colour as the only clue
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 12 px
   Body text: 20 px
   Label: 18 px
   Title: 10 px
   Menu: 24 px
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 24 px
   Footer: 14 px
   Menu: 15 px
   Label: 14 px
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Title: 9 px
    Hint: 17 px (a) Title (b) Caption (c) Hint
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Body text: 10 px
    Label: 18 px
    Caption: 16 px
    Footer: 22 px (a) Hint (b) Label (c) Body text (d) Caption
12. 12.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
16. 16.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
17. 17.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) strong colour contrast
19. 19.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
21. 21.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
22. 22.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
23. 23.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
24. 24.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
25. 25.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Label: 18 px
    Title: 18 px
    Body text: 18 px
    Hint: 17 px
27. 27.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) big touch targets
28. 28.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) fast-flashing lights (d) tiny tap areas
29. 29.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 16 px
    Menu: 22 px
31. 31.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
32. 32.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) icons with no labels
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Caption: 17 px
    Label: 18 px
    Menu: 11 px
    Hint: 26 px (a) Caption (b) Label (c) Menu (d) Body text
36. 36.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) labels on every icon
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Hint: 10 px
    Body text: 18 px
38. 38.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
39. 39.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Hint: 20 px
    Body text: 13 px (a) Hint (b) Body text (c) Menu

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