App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 85 · 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.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) tab bar (c) shortcut (d) dead end
2. 2.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud leaderboard (c) a shared chat (d) a cloud backup
3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) big touch targets
4. 4.Which of these is about UX (the experience)? (a) the icon shapes (b) the screen layout (c) the font size (d) how users feel after
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
6. 6.True or false: a clear word like Save is poor button design. (a) False (b) True
7. 7.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
8. 8.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
9. 9.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
10. 10.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) take the photo (c) post the photo (d) add a filter
11. 11.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ big picture ]
    [ filter buttons ]
    [ Add button ]
    [ search box ]
    [ tab bar ]
    [ menu icon ] (a) big picture (b) tab bar (c) menu icon (d) Add button
12. 12.🔢 In a sign-up flow, which comes first: “open the app” or “enter the code sent”? (a) open the app (b) enter the code sent
13. 13.💾 What number does this code show?
    let notes = ["Sports", "Music"];
    notes.push("Art");
    notes.push("Maths");
    show(notes.length);
14. 14.🔘 Our rule: buttons are at least 48 px tall. The Help button is 40 px tall. How many px taller must it be?
15. 15.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 52 px tall
    Send button: 36 px tall
    Next button: 64 px tall
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Menu: 23 px
    Title: 21 px
    Hint: 9 px
    Caption: 18 px (a) Body text (b) Hint (c) Menu (d) Title
17. 17.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
18. 18.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
19. 19.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ list of items ]
    [ big picture ]
    [ search box ]
    [ title text ]
    [ Save button ] (a) search box (b) title text (c) list of items (d) Save button
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Video”
    4. open “Map”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.True or false: the font size is about UI (the look). (a) False (b) True
22. 22.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
23. 23.🎨 UX stands for user ___. (a) experience (b) extra (c) example (d) express
24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Results → Pay → Confirm → Menu → Address
    Design B: Home → Search → Menu (a) Design A (b) Design B
26. 26.✏️ Why draw a wireframe before coding? (a) changes are quick (b) it runs the app (c) it adds colours (d) it saves data
27. 27.True or false: a wireframe uses plain grey boxes. (a) True (b) False
28. 28.💾 What number does this code show?
    let friends = ["Zoya", "Kabir", "Aman", "Meera"];
    friends.push("Riya");
    friends.push("Arjun");
    show(friends.length);
29. 29.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
30. 30.🔘 Our rule: buttons are at least 48 px tall. The Done button is 28 px tall. How many px taller must it be?
31. 31.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) write a caption (b) post the photo
32. 32.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
33. 33.🔘 Our rule: buttons are at least 48 px tall. The Help button is 36 px tall. How many px taller must it be?
34. 34.Which of these is about UX (the experience)? (a) whether users get lost (b) the font size (c) the screen layout (d) the button colours
35. 35.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) shows the real fonts (d) has the real colours
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Cart → Pay
    Design B: Home → Pay → Item
37. 37.True or false: a wireframe shows where things go. (a) True (b) False
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Match report (b) Feed (c) Settings (d) Chat
39. 39.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
40. 40.True or false: a wireframe has no real colours. (a) True (b) False

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