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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 568 · 40 questions
TalentJR

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

NameDateTime takenScore ___ / 40
  1. 1.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ tab bar ]
    [ filter buttons ]
    [ search box ]
    [ big picture ]
    [ top bar ]
    [ Add button ]     (a) Add button (b) top bar (c) filter buttons (d) tab bar
  2. 2.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ list of items ]
    [ tab bar ]
    [ title text ]
    [ big picture ]
    [ Save button ]
  3. 3.True or false: whether users get lost is about UI (the look). (a) False (b) True
  4. 4.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) sits at the bottom
  5. 5.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  6. 6.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  7. 7.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ search box ]
    [ menu icon ]
    [ Save button ]
    [ top bar ]
    [ list of items ]     (a) list of items (b) search box (c) top bar (d) Save button
  8. 8.🔢 In a photo-post flow, what comes right after “take the photo”? (a) open the camera screen (b) post the photo (c) add a filter (d) write a caption
  9. 9.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) see the final score (c) tap “Start quiz” (d) see if it is right
  10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Add button ]
    [ big picture ]
    [ title text ]
    [ search box ]
  11. 11.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 40 px tall
    Cancel button: 48 px tall
    Done button: 36 px tall
  12. 12.True or false: a final design is a quick sketch. (a) True (b) False
  13. 13.Which of these is true of a wireframe? (a) shows the real fonts (b) uses the final pictures (c) looks like the real app (d) uses plain grey boxes
  14. 14.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pay → Offers → Shop
    Design B: Home → Menu → Pay     (a) Design A (b) Design B
  15. 15.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) read a question (b) tap “Start quiz”
  16. 16.True or false: a clear word like Save is poor button design. (a) False (b) True
  17. 17.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) see the final score (c) tap “Start quiz” (d) pick an answer
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 32 px tall
    Next button: 52 px tall
    Save button: 48 px tall
    Send button: 64 px tall
  20. 20.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
  21. 21.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) tiny tap areas
  22. 22.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 52 px tall
    Done button: 44 px tall
    Back button: 52 px tall
    Cancel button: 72 px tall     (a) Cancel (b) Done (c) Send (d) Back
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ top bar ]
    [ menu icon ]
    [ filter buttons ]
    [ Add button ]     (a) menu icon (b) filter buttons (c) tab bar (d) Add button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Score card”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Score card (c) Quiz (d) Lessons
  26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
  27. 27.True or false: a tiny 20 px button is poor button design. (a) False (b) True
  28. 28.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  29. 29.True or false: a big, easy tap area is good button design. (a) True (b) False
  30. 30.🔢 In a food-order flow, which comes first: “add it to the cart” or “pick a dish”? (a) add it to the cart (b) pick a dish
  31. 31.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  32. 32.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) labels on every icon
  33. 33.🎨 UX stands for user ___. (a) extra (b) experience (c) example (d) express
  34. 34.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
  35. 35.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) open the menu (c) pay for the order (d) track the order
  36. 36.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
  37. 37.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
  38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) colour as the only clue
  39. 39.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 72 px tall
    Done button: 24 px tall
    Start button: 68 px tall     (a) Start (b) Next (c) Done
  40. 40.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

Answer key

  1. top bar
  2. 6
  3. False
  4. sits at the bottom
  5. a tab bar
  6. 3
  7. search box
  8. add a filter
  9. see the final score
  10. 5
  11. 1
  12. False
  13. uses plain grey boxes
  14. Design B
  15. tap “Start quiz”
  16. False
  17. pick an answer
  18. 0
  19. 3
  20. labels on every icon
  21. tiny tap areas
  22. Done
  23. 3
  24. Add button
  25. Lessons
  26. big touch targets
  27. True
  28. the back button
  29. True
  30. pick a dish
  31. goes to the last screen
  32. colour as the only clue
  33. experience
  34. easy to read
  35. open the menu
  36. easy to read
  37. False
  38. strong colour contrast
  39. Done
  40. 3

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