App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 244 · 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) only the coder (b) everyone (c) nobody (d) only experts
2. 2.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
3. 3.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
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.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
6. 6.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
8. 8.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Hint: 17 px
   Footer: 19 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Footer: 10 px
    Body text: 21 px
    Title: 24 px
    Label: 24 px
11. 11.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Caption: 24 px
    Menu: 11 px
    Hint: 16 px
14. 14.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) strong colour contrast
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) captions on videos
17. 17.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) text that can grow
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 13 px
    Hint: 16 px
    Label: 13 px
20. 20.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
22. 22.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) strong colour contrast
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Body text: 16 px
    Hint: 20 px
    Caption: 14 px
    Label: 17 px (a) Hint (b) Footer (c) Body text (d) Caption
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Menu: 13 px
    Title: 16 px
    Hint: 22 px
27. 27.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) colour as the only clue (d) labels on every icon
28. 28.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
29. 29.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
31. 31.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
32. 32.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
33. 33.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
35. 35.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Title: 17 px
    Caption: 20 px
    Label: 21 px
    Hint: 10 px
37. 37.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Menu: 24 px
    Caption: 24 px
    Title: 10 px
    Footer: 18 px (a) Label (b) Caption (c) Menu (d) Title
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Body text: 21 px
    Caption: 11 px
    Menu: 23 px
    Footer: 23 px

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