App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 342 · 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 fits saving on the phone? (a) a draft you are typing (b) photos on two devices (c) chat messages to friends (d) a class leaderboard
2. 2.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
3. 3.True or false: chat messages to friends fits saving in the cloud. (a) False (b) True
4. 4.Which colour pair is hard to read? (a) yellow on white (b) black on pale grey (c) black on yellow (d) white on black
5. 5.💾 What number does this code show?
   let score = 7;
   score = score - 6;
   score = score + 3;
   show(score);
6. 6.True or false: a wireframe has the real colours. (a) False (b) True
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Address → Confirm → Menu
   Design B: Home → Menu → Item → Size → Offers (a) Design B (b) Design A
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Menu: 14 px
   Hint: 25 px (a) Hint (b) Caption (c) Menu
9. 9.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 36 px tall. How many px taller must it be?
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now? (a) Badges (b) Home (c) Help page (d) Map
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now? (a) Help page (b) Badges (c) Chat (d) Feed
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Title: 17 px
    Body text: 15 px
    Hint: 21 px
    Caption: 21 px
13. 13.🎨 UX stands for user ___. (a) experience (b) extra (c) example (d) express
14. 14.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
15. 15.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ filter buttons ]
    [ search box ]
    [ big picture ]
    [ top bar ] (a) search box (b) filter buttons (c) big picture
16. 16.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Confirm → Cart → Menu → Shop
    Design B: Home → Item → Search
18. 18.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch
19. 19.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
20. 20.🔍 Which is the odd one out? (a) the theme colours (b) the font size (c) the button colours (d) how easy sign-up is
21. 21.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) check the cart (c) track the order (d) add it to the cart
22. 22.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Kabir", "Riya"];
    show(friends[2]); (a) Riya (b) Arjun (c) Kabir
23. 23.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ search box ]
    [ title text ]
    [ Add button ]
    [ tab bar ]
    [ big picture ] (a) big picture (b) Add button (c) search box (d) tab bar
24. 24.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 56 px tall
    Cancel button: 44 px tall
    Next button: 64 px tall (a) Save (b) Next (c) Cancel
25. 25.🔍 Which is the odd one out? (a) the icon shapes (b) whether users get lost (c) the screen layout (d) the font size
26. 26.Which of these is true of a wireframe? (a) is a quick sketch (b) uses the final pictures (c) has the real colours (d) looks like the real app
27. 27.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
28. 28.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
29. 29.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) post the photo (c) open the camera screen (d) add a filter
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ list of items ]
    [ filter buttons ]
    [ menu icon ]
    [ top bar ]
31. 31.Which of these is true of a wireframe? (a) looks like the real app (b) uses plain grey boxes (c) has the real colours (d) uses the final pictures
32. 32.Which of these is true of a final design? (a) shows where things go (b) uses plain grey boxes (c) has the real colours (d) has no real colours
33. 33.🔀 What is a user flow? (a) a charging cable (b) a colour theme (c) a type of font (d) the path through screens
34. 34.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ Save button ]
    [ menu icon ]
    [ search box ]
    [ filter buttons ]
    [ list of items ]
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Help page”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    4. open “Help page”
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Friend list
37. 37.Which of these is true of a wireframe? (a) uses the final pictures (b) shows where things go (c) has the real colours (d) shows the real fonts
38. 38.True or false: how fast a task is done is about UX (the experience). (a) False (b) True
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ filter buttons ]
    [ menu icon ]
    [ list of items ]
    [ tab bar ]
    [ big picture ]
40. 40.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) a dead end (d) the same screen

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