App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 785 · 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.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
4. 4.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
5. 5.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) tiny tap areas
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 13 px
   Body text: 13 px
   Menu: 20 px
   Title: 17 px
7. 7.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) icons with no labels (d) captions on videos
8. 8.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) captions on videos (d) labels on every icon
9. 9.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) colour as the only clue
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
12. 12.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) big touch targets (d) colour as the only clue
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Body text: 21 px
    Label: 13 px
    Title: 14 px
    Hint: 10 px
14. 14.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Hint: 15 px
    Footer: 16 px
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Hint: 22 px
    Footer: 14 px
    Caption: 19 px
    Body text: 19 px
18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Menu: 27 px
    Footer: 18 px
    Caption: 28 px
    Label: 21 px (a) Footer (b) Caption (c) Menu (d) Hint
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Hint: 23 px
    Footer: 13 px (a) Label (b) Footer (c) Hint
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Title: 13 px
    Footer: 18 px
    Body text: 27 px (a) Title (b) Footer (c) Caption (d) Body text
23. 23.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
24. 24.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) big touch targets
25. 25.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
27. 27.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
28. 28.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Menu: 9 px
    Title: 19 px
    Footer: 28 px (a) Footer (b) Body text (c) Menu (d) Title
30. 30.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Caption: 22 px
    Label: 15 px
32. 32.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
33. 33.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 11 px
    Footer: 11 px
    Caption: 20 px
    Hint: 21 px
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Body text: 15 px
    Hint: 12 px
    Title: 19 px
    Footer: 22 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Menu: 22 px
    Footer: 23 px (a) Footer (b) Menu (c) Title
38. 38.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Body text: 25 px
    Footer: 13 px
    Title: 23 px
    Hint: 24 px (a) Body text (b) Footer (c) Title (d) Label

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