App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 560 · 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 is about UI (the look)? (a) whether users get lost (b) how many taps it takes (c) how users feel after (d) the screen layout
2. 2.Which of these is true of a final design? (a) shows where things go (b) has the real colours (c) is a quick sketch (d) uses plain grey boxes
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
4. 4.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a class leaderboard (c) a draft you are typing (d) your last game level
5. 5.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) sudden loud sounds
6. 6.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) track the order (c) open the menu (d) add it to the cart
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Title: 21 px
   Hint: 14 px
   Body text: 17 px
   Caption: 14 px
8. 8.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
9. 9.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) write a caption (b) post the photo
10. 10.🔘 Our rule: buttons are at least 48 px tall. The Back button is 20 px tall. How many px taller must it be?
11. 11.True or false: notes to read offline fits saving on the phone. (a) False (b) True
12. 12.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
13. 13.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ top bar ]
    [ Add button ]
    [ title text ]
    [ big picture ]
    [ tab bar ]
    [ Save button ] (a) title text (b) top bar (c) tab bar (d) Add button
14. 14.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now? (a) Feed (b) Chat (c) Settings (d) Edit photo
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Results
    Design B: Home → Search → Menu → Offers
17. 17.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ title text ]
    [ search box ]
    [ Save button ]
    [ Add button ]
    [ list of items ] (a) search box (b) title text (c) Add button (d) list of items
18. 18.💾 pop() takes off the last item. What does this code show?
    let friends = ["Zoya", "Meera", "Aman", "Riya"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Riya (b) Aman (c) Meera (d) Zoya
19. 19.🔢 In a photo-post flow, which comes first: “take the photo” or “post the photo”? (a) post the photo (b) take the photo
20. 20.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
21. 21.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ tab bar ]
    [ menu icon ]
    [ list of items ]
    [ top bar ]
    [ filter buttons ]
    [ Add button ] (a) menu icon (b) tab bar (c) filter buttons (d) list of items
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Footer: 10 px
    Caption: 20 px
    Menu: 22 px (a) Footer (b) Menu (c) Body text (d) Caption
23. 23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Search → Item → Address
    Design B: Home → Pens → Shop → Size → Menu → Cart → Item (a) Design A (b) Design B
24. 24.True or false: a final design has no real colours. (a) False (b) True
25. 25.💾 pop() takes off the last item. What does this code show?
    let songs = ["Rain", "Sunrise", "Monsoon", "Kites", "Stars"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Monsoon (c) Sunrise (d) Kites
26. 26.💾 pop() takes off the last item. What does this code show?
    let notes = ["Hindi", "Sports", "Art"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Hindi (b) Art (c) Sports
27. 27.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) sudden loud sounds (d) labels on every icon
28. 28.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
29. 29.💾 What number does this code show?
    let score = 9;
    score = score - 5;
    score = score + 2;
    show(score);
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Pay → Size → Address → Pens
    Design B: Home → Pens → Pay → Cart → Offers (a) Design B (b) Design A
31. 31.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) take the photo (c) open the camera screen (d) add a filter
32. 32.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
33. 33.🎨 UI stands for user ___. (a) internet (b) idea (c) interface (d) input
34. 34.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) fast-flashing lights
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Menu
    Design B: Home → Item → Cart → Address → Offers → Pens → Size
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Hint: 14 px
    Menu: 23 px
    Footer: 13 px
    Title: 14 px
37. 37.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the app is closed (c) you send a message (d) the phone is lost
38. 38.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) see the final score (c) read a question (d) see if it is right
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Shop
    Design B: Home → Confirm → Item → Address → Offers
40. 40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 28 px tall
    Back button: 60 px tall
    Help button: 60 px tall (a) Back (b) Save (c) Help

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