App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 516 · 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.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Shop → Pay → Results
   Design B: Home → Pens → Cart → Confirm → Shop → Offers → Results
2. 2.Which of these is about UX (the experience)? (a) the icon shapes (b) the button colours (c) the theme colours (d) whether users get lost
3. 3.🖼️ In this wireframe (top to bottom), what is right below the top bar?
   [ Save button ]
   [ top bar ]
   [ big picture ]
   [ filter buttons ] (a) Save button (b) filter buttons (c) big picture
4. 4.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) never need a password (c) use it on any device (d) skip the internet
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. open “Map”
   3. open “Badges”
   4. tap the Quiz tab
   5. tap the Quiz tab
   Which screen are you on now? (a) Badges (b) Quiz (c) Map (d) Video
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Pens → Results → Menu → Address
   Design B: Home → Menu → Pay → Confirm
7. 7.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
8. 8.Which of these is true of a wireframe? (a) is a quick sketch (b) looks like the real app (c) shows the real fonts (d) uses the final pictures
9. 9.Which colour pair is easy to read? (a) light grey on white (b) pale pink on white (c) dark blue on white (d) dark blue on black
10. 10.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ filter buttons ]
    [ top bar ]
    [ list of items ]
    [ Add button ] (a) list of items (b) Add button (c) top bar
11. 11.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
12. 12.🔢 In a photo-post flow, what comes right after “take the photo”? (a) write a caption (b) add a filter (c) post the photo (d) open the camera screen
13. 13.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. open “Video”
    4. open “Badges”
    Which screen are you on now? (a) Video (b) Home (c) Badges (d) Match report
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Badges”
    Which screen are you on now? (a) Quiz (b) Score card (c) Lessons (d) Badges
16. 16.Which of these is about UI (the look)? (a) how many taps it takes (b) the icon shapes (c) how fast a task is done (d) how easy sign-up is
17. 17.🔢 In a food-order flow, which comes first: “track the order” or “open the menu”? (a) track the order (b) open the menu
18. 18.🔢 In a food-order flow, which comes LAST? (a) open the menu (b) check the cart (c) track the order (d) add it to the cart
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Body text: 10 px
    Title: 27 px (a) Title (b) Body text (c) Hint
20. 20.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
21. 21.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) add a filter (c) post the photo (d) open the camera screen
22. 22.💾 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
23. 23.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) switches main sections
24. 24.Which colour pair is easy to read? (a) red on green (b) pale pink on white (c) dark blue on black (d) black on pale grey
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Badges”
    4. tap the Home tab
    Which screen are you on now? (a) Search (b) Badges (c) Home (d) Match report
26. 26.True or false: grey text on grey is poor button design. (a) False (b) True
27. 27.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Help page”
    4. open “Edit photo”
    5. tap the Feed tab
    Which screen are you on now? (a) Score card (b) Badges (c) Feed (d) Help page
29. 29.Which of these fits saving on the phone? (a) chat messages to friends (b) a draft you are typing (c) a class leaderboard (d) a shared to-do list
30. 30.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
31. 31.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
32. 32.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ Save button ]
    [ tab bar ]
    [ filter buttons ]
    [ menu icon ]
    [ search box ] (a) filter buttons (b) search box (c) tab bar (d) menu icon
33. 33.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
34. 34.💾 What number does this code show?
    let songs = ["Stars", "Kites", "Ocean", "Rain"];
    songs.push("Sunrise");
    songs.push("Monsoon");
    show(songs.length);
35. 35.💾 Which works with no internet at all? (a) a shared chat (b) a cloud leaderboard (c) a cloud backup (d) data saved on the phone
36. 36.🔘 Our rule: buttons are at least 48 px tall. The Help button is 36 px tall. How many px taller must it be?
37. 37.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) the same screen (d) a dead end
38. 38.💾 What number does this code show?
    let friends = ["Aman", "Kabir", "Riya"];
    friends.push("Meera");
    friends.push("Zoya");
    show(friends.length);
39. 39.🔍 Which is the odd one out? (a) the theme colours (b) the font size (c) the icon shapes (d) how easy sign-up is
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Pens → Search → Pay → Shop → Results
    Design B: Home → Shop → Pay → Item

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