App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 153 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Score card”
   3. tap Back
   4. open “Match report”
   Which screen are you on now? (a) Chat (b) Match report (c) Score card (d) Feed
2. 2.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) tab bar (c) dead end (d) home screen
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Home tab
   Which screen are you on now? (a) Search (b) Profile (c) Home (d) Edit photo
4. 4.🖼️ How many parts (boxes) does this wireframe have?
   [ title text ]
   [ filter buttons ]
   [ list of items ]
   [ top bar ]
   [ big picture ]
   [ tab bar ]
5. 5.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
   [ search box ]
   [ menu icon ]
   [ filter buttons ]
   [ list of items ]
   [ tab bar ] (a) search box (b) list of items (c) tab bar (d) filter buttons
6. 6.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
7. 7.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
8. 8.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Map”
   3. tap Back
   4. open “Score card”
   5. tap Back
   Which screen are you on now? (a) Map (b) Score card (c) Home (d) Profile
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
11. 11.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
12. 12.🔢 In a sign-up flow, which comes first: “enter the code sent” or “tap “Sign up””? (a) tap “Sign up” (b) enter the code sent
13. 13.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) whether users get lost (d) the theme colours
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Address → Shop
    Design B: Home → Cart → Menu → Confirm → Offers → Results
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
17. 17.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
18. 18.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) colour as the only clue
19. 19.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
20. 20.Which of these is about UI (the look)? (a) how easy sign-up is (b) the button colours (c) how many taps it takes (d) whether users get lost
21. 21.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now? (a) Quiz (b) Friend list (c) Lessons (d) Map
23. 23.Which of these is about UI (the look)? (a) how many taps it takes (b) how fast a task is done (c) whether users get lost (d) the screen layout
24. 24.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
25. 25.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ list of items ]
    [ menu icon ]
    [ Save button ]
    [ top bar ] (a) menu icon (b) Save button (c) list of items
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) strong colour contrast (d) icons with no labels
27. 27.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
28. 28.🎨 UI stands for user ___. (a) input (b) interface (c) internet (d) idea
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Body text: 16 px
    Menu: 24 px (a) Footer (b) Menu (c) Body text
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Menu → Results → Search → Address → Pay
    Design B: Home → Menu → Pay
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Offers
    Design B: Home → Pay → Shop → Search (a) Design B (b) Design A
32. 32.💾 pop() takes off the last item. What does this code show?
    let songs = ["Kites", "Rain", "Stars", "Ocean"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Stars (c) Kites (d) Ocean
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Body text: 13 px
    Menu: 21 px
34. 34.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Sports", "Music"];
    show(notes[0]); (a) Art (b) Sports (c) Music
35. 35.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ search box ]
    [ list of items ]
    [ menu icon ]
    [ top bar ]
    [ Add button ]
    [ tab bar ] (a) list of items (b) tab bar (c) top bar (d) Add button
36. 36.💾 What number does this code show?
    let notes = ["Music", "Art", "Hindi"];
    notes.push("Sports");
    show(notes.length);
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now? (a) Home (b) Profile (c) Search
38. 38.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
39. 39.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see the final score (c) see if it is right (d) read a question
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) labels on every icon (d) captions on videos

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