App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 480 · 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.True or false: the button colours is about UI (the look). (a) True (b) False
2. 2.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) tab bar (c) home screen (d) shortcut
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap Back
   3. open “Badges”
   4. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) take the photo (c) write a caption (d) post the photo
5. 5.🔍 Which is the odd one out? (a) how easy sign-up is (b) whether users get lost (c) the font size (d) how many taps it takes
6. 6.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Cancel button: 48 px tall
   Start button: 64 px tall
   Send button: 60 px tall
   Back button: 32 px tall (a) Cancel (b) Send (c) Back (d) Start
7. 7.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
8. 8.True or false: space between buttons is good button design. (a) True (b) False
9. 9.🎨 UX stands for user ___. (a) extra (b) example (c) express (d) experience
10. 10.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
11. 11.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 48 px tall
    Help button: 48 px tall
    Cancel button: 36 px tall
    Next button: 56 px tall (a) Help (b) Cancel (c) Next (d) Send
12. 12.🎨 UI stands for user ___. (a) input (b) interface (c) idea (d) internet
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Offers → Results → Search → Item → Pay
    Design B: Home → Confirm → Menu → Search
14. 14.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
15. 15.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
16. 16.🔢 In a quiz-app flow, which comes first: “see the final score” or “read a question”? (a) see the final score (b) read a question
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Menu: 19 px
    Hint: 14 px (a) Caption (b) Hint (c) Menu
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Video”
    Which screen are you on now? (a) Lessons (b) Video (c) Quiz (d) Help page
19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
20. 20.💾 What does this code show? (Positions start at 0.)
    let friends = ["Zoya", "Riya", "Aman", "Meera", "Arjun"];
    show(friends[3]); (a) Riya (b) Zoya (c) Aman (d) Meera
21. 21.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ search box ]
    [ Add button ]
    [ title text ]
    [ top bar ]
    [ big picture ]
    [ tab bar ] (a) Add button (b) top bar (c) tab bar (d) search box
22. 22.True or false: photos on two devices fits saving on the phone. (a) True (b) False
23. 23.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Results → Size → Shop
    Design B: Home → Address → Pay (a) Design A (b) Design B
25. 25.💾 What is a variable? (a) a phone setting (b) a type of screen (c) a named box for a value (d) a picture
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Caption: 23 px
    Label: 22 px (a) Menu (b) Caption (c) Label
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    Which screen are you on now? (a) Lessons (b) Video (c) Map (d) Quiz
28. 28.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 28 px tall. How many px taller must it be?
29. 29.True or false: buttons almost touching is good button design. (a) True (b) False
30. 30.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
31. 31.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a random page (c) the same screen (d) a clear next step
32. 32.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) how many taps it takes (d) the theme colours
33. 33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Cart → Item → Size → Search
    Design B: Home → Pay → Menu (a) Design A (b) Design B
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 0 (c) 10 (d) 2
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Score card”
    4. open “Match report”
    Which screen are you on now? (a) Search (b) Score card (c) Match report (d) Home
37. 37.True or false: grey text on grey is good button design. (a) False (b) True
38. 38.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) see the final score (c) pick an answer (d) tap “Start quiz”
39. 39.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) has the real colours (d) has no real colours
40. 40.True or false: a wireframe shows where things go. (a) True (b) False

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