App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 460 · 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 opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap the Lessons tab
   3. open “Edit photo”
   4. tap Back
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) captions on videos (d) tiny tap areas
5. 5.Which colour pair is easy to read? (a) yellow on white (b) white on dark green (c) pale pink on white (d) dark blue on black
6. 6.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Map”
   2. tap Back
   3. open “Match report”
   4. open “Score card”
   5. tap the Me tab
   Which screen are you on now? (a) Match report (b) Map (c) Me (d) Score card
9. 9.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a charging cable (d) a type of font
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Item → Menu
    Design B: Home → Pens → Cart → Confirm → Results → Address → Shop (a) Design A (b) Design B
11. 11.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
12. 12.Which of these is about UI (the look)? (a) how many taps it takes (b) whether users get lost (c) how fast a task is done (d) the font size
13. 13.🎨 UX stands for user ___. (a) express (b) extra (c) experience (d) example
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
17. 17.True or false: the theme colours is about UX (the experience). (a) False (b) True
18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Menu → Results → Address
    Design B: Home → Offers → Cart → Menu → Pens → Item
20. 20.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
21. 21.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a random page (c) a clear next step (d) the same screen
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Label: 22 px
    Hint: 10 px (a) Footer (b) Label (c) Hint
23. 23.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) uses plain grey boxes (d) shows the real fonts
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Offers → Menu
    Design B: Home → Address → Item → Menu → Search
25. 25.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) colour as the only clue
26. 26.True or false: a final design uses the final pictures. (a) False (b) True
27. 27.True or false: whether users get lost is about UX (the experience). (a) False (b) True
28. 28.💾 What number does this code show?
    let notes = ["Art", "Maths", "Hindi"];
    notes.push("Science");
    notes.push("Sports");
    show(notes.length);
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 68 px tall
    Send button: 56 px tall
    Done button: 44 px tall
    Next button: 64 px tall (a) Done (b) Send (c) Next (d) Start
30. 30.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) open the app (c) enter the code sent (d) make a password
31. 31.🔘 Our rule: buttons are at least 48 px tall. The Done button is 28 px tall. How many px taller must it be?
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Label: 15 px
    Footer: 23 px
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    Which screen are you on now? (a) Profile (b) Edit photo (c) Badges (d) Home
34. 34.Which of these is true of a final design? (a) has no real colours (b) has the real colours (c) is a quick sketch (d) uses plain grey boxes
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 44 px tall
    Back button: 64 px tall
    Cancel button: 32 px tall
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now? (a) Badges (b) Edit photo (c) Home (d) Profile
38. 38.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
39. 39.🔢 In a food-order flow, which comes first: “pay for the order” or “check the cart”? (a) pay for the order (b) check the cart
40. 40.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) tiny tap areas

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