App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 70 · 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 works with no internet at all? (a) a cloud leaderboard (b) data saved on the phone (c) a shared chat (d) a cloud backup
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Hint: 18 px
   Label: 22 px (a) Hint (b) Title (c) Label
3. 3.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) tap “Sign up” (c) enter the code sent (d) see the home screen
4. 4.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Size → Search → Cart → Pay
   Design B: Home → Shop → Cart → Pens → Item → Results
6. 6.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Shop → Pay → Item → Cart → Address
   Design B: Home → Size → Results → Menu → Confirm → Search → Offers (a) Design A (b) Design B
8. 8.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 32 px tall
   Start button: 32 px tall
   Cancel button: 56 px tall
   Help button: 36 px tall
9. 9.True or false: a clear word like Save is good button design. (a) True (b) False
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Help page”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now? (a) Friend list (b) Edit photo (c) Search (d) Home
12. 12.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a random page (c) a clear next step (d) a dead end
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Match report (c) Help page (d) Feed
14. 14.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) tiny tap areas (d) sudden loud sounds
15. 15.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
16. 16.True or false: the screen layout is about UX (the experience). (a) True (b) False
17. 17.Which of these is about UI (the look)? (a) how users feel after (b) whether users get lost (c) how many taps it takes (d) the font size
18. 18.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
19. 19.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    4. tap the Me tab
    5. open “Map”
    Which screen are you on now? (a) Map (b) Friend list (c) Lessons (d) Quiz
21. 21.True or false: a wireframe uses plain grey boxes. (a) False (b) True
22. 22.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Results → Pens
    Design B: Home → Pay → Search (a) Design A (b) Design B
25. 25.🔢 In a photo-post flow, which comes first: “write a caption” or “add a filter”? (a) write a caption (b) add a filter
26. 26.🔢 In a quiz-app flow, which comes first: “see if it is right” or “pick an answer”? (a) see if it is right (b) pick an answer
27. 27.🔢 In a sign-up flow, which comes first: “open the app” or “type name and email”? (a) type name and email (b) open the app
28. 28.🔢 In a quiz-app flow, which comes first: “pick an answer” or “read a question”? (a) read a question (b) pick an answer
29. 29.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) pick a dish (c) open the menu (d) check the cart
30. 30.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
31. 31.Which of these fits saving on the phone? (a) photos on two devices (b) notes to read offline (c) a class leaderboard (d) a shared to-do list
32. 32.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses the final pictures (d) uses plain grey boxes
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Results → Offers → Size
    Design B: Home → Results → Size (a) Design A (b) Design B
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Map (b) Friend list (c) Feed (d) Chat
36. 36.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
37. 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
38. 38.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
39. 39.🎨 UX stands for user ___. (a) example (b) express (c) extra (d) experience
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Menu: 12 px
    Body text: 19 px (a) Menu (b) Body text (c) Title

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