App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 410 · 40 questions

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.

1. 1.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap Back
   3. tap the Settings tab
   4. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
2. 2.True or false: a final design has no real colours. (a) True (b) False
3. 3.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) see the final score (b) tap “Start quiz” (c) read a question (d) see if it is right
4. 4.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) open the camera screen (c) take the photo (d) write a caption
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 27 px
   Label: 23 px
   Hint: 14 px (a) Label (b) Menu (c) Hint
6. 6.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
7. 7.🖼️ How many parts (boxes) does this wireframe have?
   [ tab bar ]
   [ Add button ]
   [ Save button ]
   [ big picture ]
8. 8.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) more colours (c) better UX (d) worse UX
9. 9.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
10. 10.🔀 Why plan the user flow before building? (a) so each step is clear (b) to skip testing (c) to add more taps (d) to hide the buttons
11. 11.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ list of items ]
    [ top bar ]
    [ big picture ]
12. 12.🔘 Our rule: buttons are at least 48 px tall. The Done button is 40 px tall. How many px taller must it be?
13. 13.💾 pop() takes off the last item. What does this code show?
    let songs = ["Stars", "Ocean", "Rain", "Monsoon", "Kites"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Monsoon (b) Rain (c) Stars (d) Ocean
14. 14.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 56 px tall
    Back button: 56 px tall
    Start button: 60 px tall
    Cancel button: 44 px tall (a) Back (b) Next (c) Start (d) Cancel
15. 15.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Confirm → Menu → Offers
    Design B: Home → Shop → Cart → Offers (a) Design A (b) Design B
16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
17. 17.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) take the photo (c) add a filter (d) write a caption
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 25 px
    Menu: 17 px (a) Title (b) Hint (c) Menu
19. 19.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
20. 20.🔢 In a sign-up flow, what comes right after “make a password”? (a) see the home screen (b) open the app (c) enter the code sent (d) tap “Sign up”
21. 21.Which of these is about UX (the experience)? (a) how users feel after (b) the button colours (c) the theme colours (d) the icon shapes
22. 22.💾 What number does this code show?
    let songs = ["Monsoon", "Ocean", "Stars", "Kites"];
    songs.push("Rain");
    show(songs.length);
23. 23.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 44 px tall
    Help button: 40 px tall
    Next button: 32 px tall
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Match report”
    4. open “Edit photo”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Score card”
    Which screen are you on now? (a) Edit photo (b) Badges (c) Lessons (d) Score card
26. 26.💾 Which works with no internet at all? (a) a cloud leaderboard (b) a cloud backup (c) a shared chat (d) data saved on the phone
27. 27.🎨 Who should you test the UX with? (a) nobody (b) real users (c) only yourself (d) the app icon
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Results → Item
    Design B: Home → Pens → Pay → Item → Menu (a) Design A (b) Design B
29. 29.True or false: a big, easy tap area is poor button design. (a) True (b) False
30. 30.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 48 px tall
    Next button: 48 px tall
    Start button: 40 px tall (a) Start (b) Next (c) Done
31. 31.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Save button ]
    [ title text ]
    [ big picture ]
    [ filter buttons ]
    [ menu icon ]
    [ tab bar ] (a) title text (b) Save button (c) big picture (d) menu icon
32. 32.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ tab bar ]
    [ Add button ]
    [ title text ]
    [ menu icon ] (a) tab bar (b) Add button (c) title text (d) menu icon
33. 33.Which colour pair is hard to read? (a) red on green (b) white on dark green (c) white on black (d) black on pale grey
34. 34.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
35. 35.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Pens → Size
    Design B: Home → Confirm → Cart (a) Design B (b) Design A
36. 36.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) see the final score (c) pick an answer (d) tap “Start quiz”
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Match report”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap Back
    Which screen are you on now? (a) Map (b) Edit photo (c) Home (d) Search
39. 39.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) pencil and paper (c) a phone case (d) a 3D printer
40. 40.✏️ Do wireframes usually show the final colours? (a) Yes (b) No

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