App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 132 · 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.🔢 In a photo-post flow, which comes first: “write a caption” or “add a filter”? (a) write a caption (b) add a filter
2. 2.Which of these fits saving on the phone? (a) chat messages to friends (b) photos on two devices (c) a draft you are typing (d) a class leaderboard
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. open “Friend list”
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.True or false: whether users get lost is about UX (the experience). (a) True (b) False
5. 5.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
   [ list of items ]
   [ title text ]
   [ search box ]
   [ tab bar ] (a) title text (b) list of items (c) search box
6. 6.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
7. 7.True or false: how users feel after is about UX (the experience). (a) False (b) True
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Friend list”
   2. open “Score card”
   3. open “Match report”
   4. tap the Chat tab
   5. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.Which of these is about UI (the look)? (a) how users feel after (b) how many taps it takes (c) how fast a task is done (d) the theme colours
10. 10.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
11. 11.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    5. tap the Profile tab
    Which screen are you on now? (a) Home (b) Profile (c) Search (d) Match report
14. 14.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
16. 16.Which of these is about UI (the look)? (a) how easy sign-up is (b) how many taps it takes (c) whether users get lost (d) the font size
17. 17.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
18. 18.💾 What number does this code show?
    let lives = 5;
    lives = lives - 1;
    lives = lives + 1;
    show(lives);
19. 19.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ big picture ]
    [ list of items ]
    [ filter buttons ]
    [ top bar ]
    [ search box ]
    [ Add button ] (a) list of items (b) top bar (c) big picture (d) search box
20. 20.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Settings tab
    4. tap the Chat tab
    Which screen are you on now? (a) Chat (b) Friend list (c) Match report (d) Feed
22. 22.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) dead end (c) shortcut (d) tab bar
23. 23.True or false: the button colours is about UX (the experience). (a) True (b) False
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. tap the Quiz tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) a shared to-do list (d) notes to read offline
26. 26.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
27. 27.Which of these is true of a final design? (a) shows where things go (b) is a quick sketch (c) uses plain grey boxes (d) looks like the real app
28. 28.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
29. 29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 32 px tall
    Cancel button: 44 px tall
    Next button: 32 px tall
    Start button: 64 px tall
30. 30.True or false: photos on two devices fits saving on the phone. (a) False (b) True
31. 31.True or false: a wireframe has no real colours. (a) False (b) True
32. 32.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) check the cart (b) open the menu
33. 33.💾 What does this code show? (Positions start at 0.)
    let friends = ["Zoya", "Riya", "Arjun", "Kabir", "Aman"];
    show(friends[1]); (a) Arjun (b) Zoya (c) Riya (d) Kabir
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now? (a) Me (b) Quiz (c) Lessons (d) Score card
35. 35.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 52 px tall
    Send button: 48 px tall
    Cancel button: 48 px tall
    Back button: 28 px tall (a) Cancel (b) Next (c) Back (d) Send
36. 36.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) track the order (c) check the cart (d) pick a dish
37. 37.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) is a quick sketch (d) shows the real fonts
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 13 px
    Body text: 12 px
39. 39.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) your last game level (d) a class leaderboard
40. 40.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a type of password (d) a simple screen sketch

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