App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 451 · 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) the theme colours (b) whether users get lost (c) how easy sign-up is (d) how fast a task is done
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Score card”
   3. tap Back
   4. open “Help page”
   Which screen are you on now? (a) Match report (b) Score card (c) Help page (d) Feed
3. 3.Which of these is about UI (the look)? (a) the button colours (b) how easy sign-up is (c) how many taps it takes (d) how users feel after
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Settings tab
   2. open “Match report”
   3. tap the Settings tab
   Which screen are you on now? (a) Feed (b) Settings (c) Chat (d) Match report
5. 5.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) tap “Start quiz” (c) see the final score (d) see if it is right
6. 6.💾 What number does this code show?
   let stars = 4;
   stars = stars - 1;
   stars = stars + 4;
   show(stars);
7. 7.True or false: your last game level fits saving in the cloud. (a) True (b) False
8. 8.🔢 In a photo-post flow, which comes first: “open the camera screen” or “write a caption”? (a) write a caption (b) open the camera screen
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Video”
   3. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) pick an answer (c) tap “Start quiz” (d) see the final score
11. 11.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ filter buttons ]
    [ Save button ]
    [ big picture ] (a) Save button (b) filter buttons (c) big picture (d) tab bar
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) labels on every icon
13. 13.🔢 In a food-order flow, which comes FIRST? (a) pay for the order (b) check the cart (c) open the menu (d) pick a dish
14. 14.💾 What is a variable? (a) a type of screen (b) a picture (c) a named box for a value (d) a phone setting
15. 15.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
16. 16.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) icons with no labels (d) tiny tap areas
17. 17.Which of these is about UI (the look)? (a) how easy sign-up is (b) the screen layout (c) how fast a task is done (d) whether users get lost
18. 18.Which colour pair is hard to read? (a) dark blue on white (b) white on dark green (c) pale pink on white (d) black on pale grey
19. 19.💾 Which can hold many values in order? (a) a switch (b) a single number (c) a list (d) a button
20. 20.True or false: strong colour contrast is poor button design. (a) True (b) False
21. 21.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Title: 9 px
    Menu: 23 px
    Body text: 16 px (a) Menu (b) Hint (c) Body text (d) Title
23. 23.Which of these is true of a wireframe? (a) shows where things go (b) has the real colours (c) looks like the real app (d) shows the real fonts
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.True or false: a final design has no real colours. (a) False (b) True
26. 26.🔢 In a food-order flow, which comes LAST? (a) track the order (b) check the cart (c) open the menu (d) add it to the cart
27. 27.True or false: the icon shapes is about UX (the experience). (a) False (b) True
28. 28.🔢 In a photo-post flow, what comes right after “take the photo”? (a) add a filter (b) open the camera screen (c) post the photo (d) write a caption
29. 29.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ filter buttons ]
    [ Add button ]
    [ big picture ]
    [ menu icon ]
    [ list of items ]
    [ Save button ] (a) Save button (b) filter buttons (c) big picture (d) list of items
30. 30.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
31. 31.Which colour pair is easy to read? (a) dark blue on white (b) red on green (c) yellow on white (d) dark blue on black
32. 32.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
33. 33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Offers
    Design B: Home → Confirm → Shop → Address → Pay (a) Design A (b) Design B
34. 34.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) check the cart (b) track the order (c) open the menu (d) pick a dish
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Caption: 24 px
    Hint: 18 px
    Body text: 22 px
    Footer: 21 px
36. 36.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 24 px tall
    Save button: 56 px tall
    Next button: 52 px tall
    Back button: 72 px tall (a) Cancel (b) Save (c) Back (d) Next
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Caption: 17 px
    Label: 15 px
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Home tab
    4. open “Edit photo”
    Which screen are you on now? (a) Map (b) Badges (c) Home (d) Edit photo
39. 39.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ search box ]
    [ title text ]
    [ filter buttons ]
    [ Save button ] (a) title text (b) search box (c) Save button
40. 40.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a 3D printer (c) pencil and paper (d) a microphone

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