App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 802 · 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.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 27 px
   Body text: 10 px
   Hint: 23 px
   Label: 24 px (a) Caption (b) Body text (c) Hint (d) Label
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
4. 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Body text: 24 px
   Menu: 21 px (a) Body text (b) Menu (c) Hint
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
7. 7.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Hint: 10 px
   Title: 23 px
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) icons with no labels
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) fast-flashing lights (d) tiny tap areas
11. 11.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
12. 12.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
14. 14.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
15. 15.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
17. 17.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 23 px
    Menu: 17 px
    Label: 21 px
    Body text: 14 px (a) Hint (b) Body text (c) Title (d) Menu
19. 19.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
21. 21.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) text that can grow
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Footer: 12 px
    Caption: 11 px
    Title: 10 px
    Body text: 13 px
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
26. 26.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) labels on every icon (d) text that can grow
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
29. 29.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
30. 30.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) strong colour contrast (d) text that can grow
31. 31.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) labels on every icon (d) colour as the only clue
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) big touch targets
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Hint: 25 px
    Title: 9 px (a) Title (b) Footer (c) Hint
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Body text: 19 px
    Hint: 20 px
    Caption: 21 px
    Title: 17 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 28 px
    Footer: 14 px (a) Footer (b) Hint (c) Menu
37. 37.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
38. 38.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) fast-flashing lights (d) sudden loud sounds
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Label: 16 px
    Title: 22 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Footer: 24 px
    Title: 13 px

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