App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 531 · 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.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) more colours (c) worse UX (d) better UX
2. 2.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Menu → Pay → Offers → Cart → Item
   Design B: Home → Confirm → Offers → Size → Shop (a) Design B (b) Design A
3. 3.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) chat messages to friends (d) the sound on/off setting
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 24 px
   Footer: 24 px
   Hint: 21 px
   Body text: 21 px
   Title: 10 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Caption: 9 px
   Title: 19 px (a) Caption (b) Title (c) Body text
6. 6.Which of these fits saving on the phone? (a) a shared to-do list (b) notes to read offline (c) chat messages to friends (d) a class leaderboard
7. 7.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
8. 8.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Cancel button: 64 px tall
   Start button: 56 px tall
   Done button: 56 px tall
   Back button: 52 px tall
9. 9.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) strong colour contrast (d) text that can grow
10. 10.Which of these is about UI (the look)? (a) how easy sign-up is (b) the icon shapes (c) how many taps it takes (d) how fast a task is done
11. 11.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
12. 12.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
13. 13.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. open “Edit photo”
    Which screen are you on now? (a) Map (b) Edit photo (c) Lessons (d) Badges
15. 15.🎨 Who should you test the UX with? (a) nobody (b) real users (c) the app icon (d) only yourself
16. 16.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) type name and email (c) tap “Sign up” (d) see the home screen
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Profile tab
    Which screen are you on now? (a) Friend list (b) Score card (c) Profile (d) Home
18. 18.🔢 In a food-order flow, which comes first: “check the cart” or “add it to the cart”? (a) check the cart (b) add it to the cart
19. 19.🔢 In a photo-post flow, which comes first: “open the camera screen” or “add a filter”? (a) add a filter (b) open the camera screen
20. 20.True or false: icons with no meaning is poor button design. (a) True (b) False
21. 21.🔢 In a photo-post flow, which comes first: “take the photo” or “post the photo”? (a) take the photo (b) post the photo
22. 22.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.🎨 UX stands for user ___. (a) extra (b) example (c) experience (d) express
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Map”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.💾 Which can hold many values in order? (a) a button (b) a switch (c) a single number (d) a list
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Me tab
    Which screen are you on now? (a) Badges (b) Quiz (c) Lessons (d) Me
27. 27.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Address
    Design B: Home → Confirm → Search → Results → Address → Item → Shop
29. 29.💾 What number does this code show?
    let score = 9;
    score = score - 3;
    score = score + 1;
    show(score);
30. 30.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) hides extra links
31. 31.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
32. 32.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    4. open “Match report”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.True or false: whether users get lost is about UI (the look). (a) False (b) True
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now? (a) Search (b) Help page (c) Home (d) Match report
36. 36.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
37. 37.🔍 Which is the odd one out? (a) the icon shapes (b) the theme colours (c) the button colours (d) how users feel after
38. 38.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) dark blue on white (d) dark blue on black
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) icons with no labels (d) fast-flashing lights
40. 40.Which of these is about UX (the experience)? (a) the font size (b) the icon shapes (c) how many taps it takes (d) the theme colours

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