App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 371 · 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) takes photos (c) reads the screen aloud (d) plays music
3. 3.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 12 px
   Title: 12 px
   Footer: 24 px
   Label: 15 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Caption: 19 px
   Menu: 26 px
   Body text: 19 px (a) Menu (b) Caption (c) Title (d) Body text
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 20 px
   Label: 10 px
   Body text: 27 px
   Title: 27 px (a) Title (b) Body text (c) Hint (d) Label
7. 7.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 25 px
   Body text: 21 px
   Caption: 9 px
   Menu: 19 px
   Title: 27 px (a) Label (b) Menu (c) Caption (d) Body text
9. 9.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
10. 10.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) text that can grow
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
13. 13.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
15. 15.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) labels on every icon
16. 16.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
17. 17.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
19. 19.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) fast-flashing lights
20. 20.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Body text: 21 px
    Title: 13 px
    Menu: 10 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 24 px
    Hint: 19 px
    Body text: 17 px
    Footer: 11 px (a) Hint (b) Caption (c) Title (d) Footer
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Label: 10 px
    Footer: 26 px
    Body text: 20 px (a) Body text (b) Hint (c) Label (d) Footer
25. 25.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Menu: 22 px
    Hint: 21 px
    Title: 19 px
    Footer: 10 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Footer: 28 px
    Caption: 9 px (a) Footer (b) Caption (c) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Label: 18 px
    Footer: 24 px
    Title: 11 px (a) Hint (b) Title (c) Label (d) Footer
29. 29.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
30. 30.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Body text: 10 px
    Footer: 23 px
    Title: 20 px (a) Title (b) Menu (c) Body text (d) Footer
33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Label: 21 px
    Title: 24 px
    Caption: 18 px
35. 35.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Title: 12 px
    Label: 11 px
    Body text: 14 px
    Menu: 18 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Hint: 20 px
    Title: 25 px
    Footer: 22 px (a) Label (b) Footer (c) Title (d) Hint
38. 38.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
39. 39.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
40. 40.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?

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