App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 328 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Body text: 11 px
   Title: 21 px
   Footer: 20 px
   Hint: 23 px
2. 2.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 19 px
   Footer: 24 px
   Body text: 9 px (a) Title (b) Body text (c) Footer
4. 4.💾 What number does this code show?
   let songs = ["Rain", "Kites", "Sunrise"];
   songs.push("Monsoon");
   songs.push("Ocean");
   show(songs.length);
5. 5.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
6. 6.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) labels on every icon (d) big touch targets
8. 8.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Shop → Pens → Menu → Item → Offers → Size
   Design B: Home → Pens → Offers
9. 9.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Results → Address → Shop → Item
   Design B: Home → Pens → Menu
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Friend list”
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Feed (c) Chat (d) Friend list
11. 11.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
12. 12.Which of these is true of a wireframe? (a) uses the final pictures (b) is a quick sketch (c) shows the real fonts (d) has the real colours
13. 13.Which of these is about UX (the experience)? (a) the icon shapes (b) the font size (c) the screen layout (d) how many taps it takes
14. 14.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) shows the real fonts (d) looks like the real app
15. 15.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 72 px tall
    Send button: 28 px tall
    Cancel button: 64 px tall (a) Back (b) Send (c) Cancel
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Hint: 17 px
    Title: 28 px (a) Title (b) Hint (c) Menu
17. 17.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ Add button ]
    [ list of items ]
    [ menu icon ]
    [ Save button ] (a) list of items (b) Save button (c) Add button
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ search box ]
    [ Save button ]
    [ tab bar ]
    [ Add button ]
19. 19.Which of these fits saving on the phone? (a) a class leaderboard (b) photos on two devices (c) a shared to-do list (d) a draft you are typing
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Help page”
    5. open “Match report”
    Which screen are you on now? (a) Help page (b) Home (c) Badges (d) Match report
21. 21.True or false: a wireframe looks like the real app. (a) False (b) True
22. 22.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
25. 25.Which of these is about UX (the experience)? (a) the screen layout (b) the theme colours (c) the font size (d) how users feel after
26. 26.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
27. 27.🔘 Our rule: buttons are at least 48 px tall. The Next button is 24 px tall. How many px taller must it be?
28. 28.True or false: a wireframe uses the final pictures. (a) False (b) True
29. 29.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) add it to the cart (b) open the menu
30. 30.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) see the final score (c) tap “Start quiz” (d) pick an answer
31. 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
32. 32.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) see the home screen (c) open the app (d) type name and email
33. 33.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Feed tab
    4. open “Match report”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Pens → Shop → Cart → Size
    Design B: Home → Results → Cart (a) Design A (b) Design B
36. 36.True or false: a final design has the real colours. (a) True (b) False
37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Shop
    Design B: Home → Shop → Results → Item → Offers → Address
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    5. open “Help page”
    Which screen are you on now? (a) Home (b) Help page (c) Search (d) Profile
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) text that can grow
40. 40.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) the screen turns off (c) the phone is lost (d) you send a message

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