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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 778 · 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 a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a random page (d) a clear next step
  2. 2.True or false: the icon shapes is about UI (the look). (a) True (b) False
  3. 3.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ Save button ]
    [ search box ]
    [ tab bar ]
    [ big picture ]
    [ top bar ]
    [ Add button ]
    (a) search box (b) Save button (c) tab bar (d) Add button
  4. 4.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
  5. 5.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) dead end (c) home screen (d) shortcut
  6. 6.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) post the photo (c) take the photo (d) open the camera screen
  7. 7.🎨 Who should you test the UX with? (a) real users (b) the app icon (c) only yourself (d) nobody
  8. 8.💾 What number does this code show?
    let score = 6;
    score = score - 2;
    score = score + 5;
    show(score);
  9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 36 px tall
    Next button: 56 px tall
    Save button: 60 px tall
    (a) Send (b) Next (c) Save
  10. 10.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
  11. 11.🔢 In a quiz-app flow, what comes right after “read a question”? (a) pick an answer (b) see if it is right (c) tap “Start quiz” (d) see the final score
  12. 12.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
  13. 13.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ Save button ]
    [ top bar ]
    [ search box ]
    [ menu icon ]
    (a) top bar (b) menu icon (c) Save button
  14. 14.True or false: a final design uses plain grey boxes. (a) False (b) True
  15. 15.True or false: a final design shows where things go. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) labels on every icon
  17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Offers → Size
    Design B: Home → Cart → Search → Address → Confirm → Shop
  18. 18.Which colour pair is hard to read? (a) light grey on white (b) black on yellow (c) white on dark green (d) dark blue on white
  19. 19.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) open the app (b) make a password
  20. 20.💾 What does this code show? (Positions start at 0.)
    let friends = ["Aman", "Arjun", "Kabir"];
    show(friends[0]);
    (a) Aman (b) Kabir (c) Arjun
  21. 21.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 44 px tall. How many px taller must it be?
  22. 22.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ Save button ]
    [ search box ]
    [ filter buttons ]
    [ top bar ]
    (a) Save button (b) filter buttons (c) top bar
  23. 23.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) pick a dish (c) open the menu (d) add it to the cart
  24. 24.True or false: a wireframe uses plain grey boxes. (a) True (b) False
  25. 25.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ list of items ]
    [ title text ]
    [ Save button ]
    [ big picture ]
    [ tab bar ]
    (a) Save button (b) title text (c) top bar (d) tab bar
  26. 26.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) make a password (c) enter the code sent (d) type name and email
  27. 27.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) post the photo (c) open the camera screen (d) add a filter
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 23 px
    Label: 24 px
    Title: 26 px
    Hint: 24 px
    (a) Label (b) Menu (c) Title (d) Caption
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now?
    (a) Chat (b) Match report (c) Settings (d) Feed
  30. 30.🔍 Which is the odd one out? (a) how fast a task is done (b) whether users get lost (c) how easy sign-up is (d) the button colours
  31. 31.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
  32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
  34. 34.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Label: 17 px
    Body text: 10 px
  36. 36.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see the final score (c) pick an answer (d) see if it is right
  37. 37.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  38. 38.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 36 px tall
    Done button: 44 px tall
    Next button: 40 px tall
    Help button: 32 px tall
  39. 39.🔢 In a food-order flow, which comes first: “track the order” or “add it to the cart”? (a) add it to the cart (b) track the order
  40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Footer: 14 px
    Title: 11 px
    Caption: 12 px

Answer key

  1. a clear next step
  2. True
  3. Add button
  4. UI
  5. dead end
  6. post the photo
  7. real users
  8. 9
  9. Send
  10. a final design
  11. pick an answer
  12. everyone
  13. top bar
  14. False
  15. False
  16. icons with no labels
  17. 2
  18. light grey on white
  19. open the app
  20. Aman
  21. 4
  22. Save button
  23. track the order
  24. True
  25. tab bar
  26. open the app
  27. post the photo
  28. Caption
  29. Match report
  30. the button colours
  31. a wireframe
  32. makes it harder
  33. text that can grow
  34. hides extra links
  35. 2
  36. see the final score
  37. switches main sections
  38. 0
  39. add it to the cart
  40. 4

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