App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 666 · 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.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
5. 5.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
7. 7.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
8. 8.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
11. 11.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) fast-flashing lights
12. 12.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Footer: 16 px
    Title: 28 px
    Label: 12 px
    Menu: 24 px (a) Label (b) Footer (c) Caption (d) Title
16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Menu: 21 px
    Caption: 10 px
    Body text: 25 px (a) Title (b) Caption (c) Menu (d) Body text
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) big touch targets (d) strong colour contrast
19. 19.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) colour as the only clue (d) big touch targets
22. 22.♿ A screen has 12 icon buttons. Only 10 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) strong colour contrast (b) fast-flashing lights (c) captions on videos (d) labels on every icon
24. 24.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Title: 27 px
    Menu: 11 px
    Label: 28 px
    Body text: 23 px (a) Title (b) Hint (c) Label (d) Menu
26. 26.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
27. 27.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Title: 20 px
    Footer: 24 px
29. 29.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) tiny tap areas
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 13 px
    Caption: 10 px
31. 31.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) big touch targets
32. 32.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
35. 35.Which of these makes the app harder to use? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) big touch targets
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Caption: 16 px
    Footer: 15 px
    Title: 22 px
    Body text: 16 px
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Footer: 23 px
    Menu: 21 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 13 px
    Title: 17 px
    Label: 18 px
    Caption: 23 px (a) Footer (b) Label (c) Body text (d) Title
40. 40.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False

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