App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 93 · 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 helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) tiny tap areas
2. 2.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) shows where things go (d) has the real colours
3. 3.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) make a password (c) open the app (d) enter the code sent
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) text that can grow
5. 5.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. tap Back
   3. open “Badges”
   4. open “Help page”
   Which screen are you on now? (a) Badges (b) Help page (c) Lessons (d) Quiz
7. 7.💾 What number does this code show?
   let friends = ["Riya", "Aman"];
   friends.push("Meera");
   friends.push("Zoya");
   show(friends.length);
8. 8.💾 What number does this code show?
   let friends = ["Zoya", "Meera", "Kabir", "Aman"];
   friends.push("Riya");
   friends.push("Arjun");
   show(friends.length);
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap the Profile tab
   3. open “Badges”
   4. tap the Profile tab
   5. open “Badges”
   Which screen are you on now? (a) Edit photo (b) Badges (c) Search (d) Home
10. 10.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
11. 11.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) add a filter (c) post the photo (d) open the camera screen
12. 12.🔀 What is a user flow? (a) a type of font (b) the path through screens (c) a colour theme (d) a charging cable
13. 13.🎨 UX stands for user ___. (a) extra (b) express (c) experience (d) example
14. 14.🔍 Which is the odd one out? (a) whether users get lost (b) the button colours (c) the icon shapes (d) the font size
15. 15.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ search box ]
    [ top bar ]
    [ title text ]
    [ tab bar ]
    [ Add button ]
    [ menu icon ] (a) Add button (b) title text (c) tab bar (d) search box
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
18. 18.True or false: the theme colours is about UX (the experience). (a) True (b) False
19. 19.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Results → Confirm → Menu → Size → Item
    Design B: Home → Shop → Pens → Pay (a) Design A (b) Design B
20. 20.Which of these is true of a final design? (a) uses the final pictures (b) uses plain grey boxes (c) shows where things go (d) has no real colours
21. 21.Which of these fits saving on the phone? (a) notes to read offline (b) chat messages to friends (c) a class leaderboard (d) photos on two devices
22. 22.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) tap “Sign up” (b) see the home screen
23. 23.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
24. 24.Which of these fits saving in the cloud? (a) a class leaderboard (b) the sound on/off setting (c) a draft you are typing (d) your last game level
25. 25.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
26. 26.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 36 px tall
    Save button: 64 px tall
    Next button: 48 px tall
    Help button: 40 px tall
27. 27.True or false: notes to read offline fits saving on the phone. (a) True (b) False
28. 28.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
29. 29.True or false: the button colours is about UX (the experience). (a) False (b) True
30. 30.Which of these is about UI (the look)? (a) how easy sign-up is (b) whether users get lost (c) how many taps it takes (d) the screen layout
31. 31.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Caption: 12 px
    Hint: 18 px
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now? (a) Feed (b) Score card (c) Chat (d) Badges
34. 34.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Ocean", "Stars", "Monsoon", "Kites"];
    show(songs[0]); (a) Monsoon (b) Sunrise (c) Stars (d) Ocean
35. 35.Which of these fits saving in the cloud? (a) a draft you are typing (b) your last game level (c) photos on two devices (d) the sound on/off setting
36. 36.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
37. 37.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) write a caption (c) take the photo (d) post the photo
38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
40. 40.🔢 In a food-order flow, which comes first: “add it to the cart” or “check the cart”? (a) add it to the cart (b) check the cart

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