App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 537 · 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 part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
2. 2.💾 What number does this code show?
   let songs = ["Rain", "Stars", "Ocean"];
   songs.push("Sunrise");
   songs.push("Monsoon");
   show(songs.length);
3. 3.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
4. 4.True or false: a class leaderboard fits saving in the cloud. (a) False (b) True
5. 5.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
6. 6.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) never need a password (c) skip the internet (d) use it on any device
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. open “Score card”
   3. tap Back
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
8. 8.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) switches main sections
9. 9.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
10. 10.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Friend list”
    4. tap the Chat tab
    5. open “Badges”
    Which screen are you on now? (a) Help page (b) Friend list (c) Badges (d) Score card
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    Which screen are you on now? (a) Help page (b) Search (c) Home (d) Friend list
13. 13.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
14. 14.💾 What is a variable? (a) a type of screen (b) a phone setting (c) a picture (d) a named box for a value
15. 15.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
16. 16.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) enter the code sent (c) tap “Sign up” (d) open the app
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Score card”
    4. open “Map”
    5. open “Help page”
    Which screen are you on now? (a) Score card (b) Help page (c) Home (d) Map
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Match report (c) Friend list (d) Chat
19. 19.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
20. 20.Which of these fits saving on the phone? (a) a shared to-do list (b) a class leaderboard (c) your last game level (d) photos on two devices
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Pay → Results
    Design B: Home → Shop → Menu → Results → Size
22. 22.True or false: grey text on grey is good button design. (a) True (b) False
23. 23.Which colour pair is easy to read? (a) pale pink on white (b) red on green (c) yellow on white (d) white on dark green
24. 24.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
25. 25.💾 What number does this code show?
    let points = 7;
    points = points - 7;
    points = points + 2;
    show(points);
26. 26.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
27. 27.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Badges”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🎨 UI stands for user ___. (a) internet (b) input (c) idea (d) interface
30. 30.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) has the real colours (d) has no real colours
31. 31.🔢 In a food-order flow, what comes right after “pay for the order”? (a) check the cart (b) open the menu (c) track the order (d) add it to the cart
32. 32.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
33. 33.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ big picture ]
    [ Save button ]
    [ filter buttons ]
    [ top bar ]
    [ tab bar ]
    [ Add button ] (a) top bar (b) Add button (c) filter buttons (d) big picture
34. 34.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
35. 35.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) pay for the order (b) track the order
36. 36.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a shared to-do list (c) a draft you are typing (d) notes to read offline
37. 37.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ big picture ]
    [ top bar ]
    [ title text ]
    [ filter buttons ]
    [ search box ]
    [ Add button ] (a) filter buttons (b) top bar (c) search box (d) title text
38. 38.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) read a question (b) see the final score (c) see if it is right (d) pick an answer
39. 39.🔢 In a sign-up flow, which comes first: “open the app” or “enter the code sent”? (a) enter the code sent (b) open the app
40. 40.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ title text ]
    [ filter buttons ]
    [ menu icon ]
    [ big picture ]
    [ Save button ] (a) Save button (b) big picture (c) menu icon (d) filter buttons

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