App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 296 · 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.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) big touch targets (d) text that can grow
2. 2.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) post the photo (c) add a filter (d) open the camera screen
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. tap the Search tab
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
5. 5.🎨 Fewer taps to finish a task usually means ___. (a) better UX (b) a bigger app (c) worse UX (d) more colours
6. 6.🔘 Our rule: buttons are at least 48 px tall. The Help button is 28 px tall. How many px taller must it be?
7. 7.🖼️ In this wireframe (top to bottom), what is right above the big picture?
   [ title text ]
   [ top bar ]
   [ tab bar ]
   [ list of items ]
   [ big picture ]
   [ filter buttons ] (a) title text (b) tab bar (c) top bar (d) list of items
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Map”
   3. open “Map”
   Which screen are you on now? (a) Quiz (b) Match report (c) Lessons (d) Map
9. 9.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
10. 10.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a type of password (d) a charging cable
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 25 px
    Body text: 13 px
    Label: 27 px
    Menu: 17 px (a) Label (b) Title (c) Hint (d) Body text
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 11 px
    Title: 23 px
    Caption: 19 px
    Hint: 14 px
13. 13.💾 What does this code show? (Positions start at 0.)
    let friends = ["Zoya", "Arjun", "Kabir", "Meera", "Riya"];
    show(friends[2]); (a) Arjun (b) Zoya (c) Kabir (d) Meera
14. 14.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Menu: 28 px
    Body text: 22 px
    Title: 18 px (a) Caption (b) Body text (c) Menu (d) Title
16. 16.True or false: how many taps it takes is about UX (the experience). (a) True (b) False
17. 17.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
18. 18.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
19. 19.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Map (c) Edit photo (d) Chat
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Label: 24 px
    Body text: 21 px
22. 22.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ title text ]
    [ Add button ]
23. 23.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 52 px tall
    Back button: 60 px tall
    Start button: 52 px tall
    Save button: 32 px tall (a) Back (b) Send (c) Save (d) Start
24. 24.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) write a caption (c) add a filter (d) take the photo
25. 25.True or false: a final design is a quick sketch. (a) False (b) True
26. 26.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ title text ]
    [ filter buttons ]
    [ big picture ]
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Body text: 15 px
    Menu: 21 px
28. 28.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
29. 29.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Hint: 19 px
    Footer: 21 px
    Body text: 13 px
    Caption: 17 px
31. 31.True or false: buttons almost touching is good button design. (a) True (b) False
32. 32.True or false: a wireframe is a quick sketch. (a) False (b) True
33. 33.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ list of items ]
    [ search box ]
    [ top bar ]
    [ filter buttons ] (a) filter buttons (b) search box (c) list of items
34. 34.🔍 Which is the odd one out? (a) the button colours (b) the theme colours (c) the screen layout (d) whether users get lost
35. 35.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
36. 36.💾 What is a variable? (a) a type of screen (b) a picture (c) a phone setting (d) a named box for a value
37. 37.True or false: buttons almost touching is poor button design. (a) False (b) True
38. 38.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 40 px tall. How many px taller must it be?
39. 39.True or false: a big, easy tap area is good button design. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 12 px
    Footer: 23 px
    Menu: 14 px

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