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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 294 · 40 questions
TalentJR

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.

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

Answer key

  1. Caption
  2. False
  3. Hint
  4. 2
  5. Footer
  6. a text label
  7. everyone
  8. captions on videos
  9. makes it harder
  10. strong colour contrast
  11. helps everyone
  12. Hint
  13. sudden loud sounds
  14. Menu
  15. 4
  16. 2
  17. True
  18. icons with no labels
  19. colour as the only clue
  20. makes it harder
  21. text that can grow
  22. 5
  23. 0
  24. 3
  25. makes it harder
  26. so anyone can follow
  27. colour-blind users
  28. 4
  29. captions on videos
  30. Menu
  31. big touch targets
  32. helps everyone
  33. Caption
  34. reads the screen aloud
  35. labels on every icon
  36. tiny tap areas
  37. 1
  38. tiny tap areas
  39. 1
  40. Title

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