App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 714 · 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.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) the app is closed (c) the screen turns off (d) you send a message
2. 2.True or false: icons with no meaning is poor button design. (a) True (b) False
3. 3.💾 What number does this code show?
   let songs = ["Sunrise", "Monsoon", "Kites"];
   songs.push("Ocean");
   show(songs.length);
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Video”
   3. tap the Chat tab
   4. open “Badges”
   5. open “Badges”
   Which screen are you on now? (a) Chat (b) Badges (c) Feed (d) Video
5. 5.True or false: the theme colours is about UX (the experience). (a) False (b) True
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. open “Score card”
   3. open “Match report”
   Which screen are you on now? (a) Home (b) Help page (c) Score card (d) Match report
7. 7.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
8. 8.🎨 Who should you test the UX with? (a) only yourself (b) the app icon (c) real users (d) nobody
9. 9.🎨 UI stands for user ___. (a) idea (b) internet (c) interface (d) input
10. 10.True or false: a wireframe uses plain grey boxes. (a) True (b) False
11. 11.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
12. 12.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
15. 15.Which of these is about UX (the experience)? (a) the theme colours (b) how fast a task is done (c) the font size (d) the button colours
16. 16.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Body text: 22 px
    Title: 14 px (a) Body text (b) Hint (c) Title
18. 18.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) write a caption (c) add a filter (d) open the camera screen
19. 19.💾 What number does this code show?
    let lives = 5;
    lives = lives - 1;
    lives = lives + 3;
    show(lives);
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Offers → Confirm → Pens
    Design B: Home → Pens → Search → Offers (a) Design B (b) Design A
22. 22.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) colour as the only clue
23. 23.True or false: how fast a task is done is about UI (the look). (a) False (b) True
24. 24.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
25. 25.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) the screen layout (d) how fast a task is done
26. 26.🔢 In a photo-post flow, what comes right after “add a filter”? (a) post the photo (b) take the photo (c) write a caption (d) open the camera screen
27. 27.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) icons with no labels (d) sudden loud sounds
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. tap the Settings tab
    5. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Friend list (c) Score card (d) Chat
29. 29.🔍 Which is the odd one out? (a) the theme colours (b) the font size (c) the icon shapes (d) how easy sign-up is
30. 30.🔢 In a food-order flow, which comes LAST? (a) pick a dish (b) open the menu (c) track the order (d) check the cart
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Hint: 17 px
    Footer: 17 px
32. 32.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
33. 33.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) see the home screen (b) tap “Sign up”
34. 34.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ menu icon ]
    [ Save button ]
    [ filter buttons ]
    [ list of items ] (a) filter buttons (b) list of items (c) Save button
35. 35.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) captions on videos
36. 36.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Size
    Design B: Home → Offers → Pay → Size → Cart → Confirm → Search
38. 38.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) write a caption (c) take the photo (d) add a filter
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Quiz (b) Edit photo (c) Me (d) Lessons
40. 40.True or false: a final design is a quick sketch. (a) True (b) False

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students