App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 763 · 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 true of a menu button? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) sits at the bottom
2. 2.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
3. 3.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap Back
   3. open “Match report”
   Which screen are you on now? (a) Map (b) Home (c) Search (d) Match report
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 36 px tall. How many px taller must it be?
6. 6.True or false: a final design has the real colours. (a) True (b) False
7. 7.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) read a question (c) see the final score (d) see if it is right
8. 8.True or false: the font size is about UX (the experience). (a) False (b) True
9. 9.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) pick an answer (c) tap “Start quiz” (d) read a question
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Home tab
    4. open “Help page”
    Which screen are you on now? (a) Search (b) Help page (c) Home (d) Map
12. 12.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ top bar ]
    [ title text ]
    [ search box ]
    [ Add button ] (a) search box (b) Add button (c) title text (d) top bar
13. 13.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
14. 14.💾 What number does this code show?
    let songs = ["Sunrise", "Rain"];
    songs.push("Monsoon");
    songs.push("Kites");
    show(songs.length);
15. 15.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ list of items ]
    [ big picture ]
    [ tab bar ]
    [ filter buttons ]
    [ Add button ]
    [ top bar ] (a) list of items (b) Add button (c) filter buttons (d) big picture
16. 16.True or false: a draft you are typing fits saving in the cloud. (a) False (b) True
17. 17.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) text that can grow (d) strong colour contrast
18. 18.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pay → Confirm
    Design B: Home → Pens → Item → Cart → Search (a) Design A (b) Design B
21. 21.True or false: the icon shapes is about UI (the look). (a) False (b) True
22. 22.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now? (a) Quiz (b) Match report (c) Lessons (d) Video
24. 24.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see if it is right (c) read a question (d) see the final score
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Title: 14 px
    Label: 21 px
    Hint: 18 px
26. 26.🔘 Our rule: buttons are at least 48 px tall. The Send button is 36 px tall. How many px taller must it be?
27. 27.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Menu: 15 px
    Label: 23 px
29. 29.True or false: a wireframe has the real colours. (a) True (b) False
30. 30.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) see the home screen (c) tap “Sign up” (d) open the app
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Menu
    Design B: Home → Confirm → Cart → Pay → Item
32. 32.💾 What number does this code show?
    let notes = ["Art", "Science", "Maths"];
    notes.push("Music");
    notes.push("Hindi");
    show(notes.length);
33. 33.Which of these is about UI (the look)? (a) whether users get lost (b) how users feel after (c) the button colours (d) how fast a task is done
34. 34.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ filter buttons ]
    [ title text ]
    [ big picture ]
    [ top bar ]
    [ tab bar ] (a) title text (b) top bar (c) tab bar (d) filter buttons
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Body text: 17 px
    Footer: 22 px
    Label: 11 px
36. 36.🔢 In a food-order flow, what comes right after “check the cart”? (a) pick a dish (b) add it to the cart (c) track the order (d) pay for the order
37. 37.Which colour pair is hard to read? (a) yellow on white (b) white on dark green (c) black on yellow (d) dark blue on white
38. 38.🔘 Our rule: buttons are at least 48 px tall. The Send button is 40 px tall. How many px taller must it be?
39. 39.🌗 Is red on green easy or hard to read on a button? (a) hard to read (b) easy to read
40. 40.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI

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