App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 200 · 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.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
2. 2.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. tap the Settings tab
   3. open “Help page”
   Which screen are you on now? (a) Feed (b) Help page (c) Chat (d) Settings
4. 4.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) text that can grow
6. 6.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
7. 7.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
8. 8.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Results → Search → Offers → Menu → Cart → Confirm
   Design B: Home → Results → Address → Confirm
9. 9.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Search
   Design B: Home → Item → Results → Shop → Confirm → Search (a) Design A (b) Design B
10. 10.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
11. 11.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) add a filter (c) write a caption (d) open the camera screen
12. 12.💾 What is a variable? (a) a picture (b) a phone setting (c) a type of screen (d) a named box for a value
13. 13.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Save button: 64 px tall
    Cancel button: 60 px tall
14. 14.🔍 Which is the odd one out? (a) the screen layout (b) whether users get lost (c) how many taps it takes (d) how users feel after
15. 15.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) tap “Start quiz” (c) pick an answer (d) see if it is right
16. 16.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Ocean", "Rain", "Kites"];
    show(songs[3]); (a) Sunrise (b) Rain (c) Kites (d) Ocean
17. 17.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
18. 18.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.💾 What number does this code show?
    let lives = 9;
    lives = lives - 1;
    lives = lives + 1;
    show(lives);
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Caption: 25 px
    Body text: 21 px
    Title: 22 px
    Footer: 25 px (a) Caption (b) Title (c) Label (d) Body text
21. 21.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ Add button ]
    [ big picture ]
    [ filter buttons ]
    [ top bar ]
    [ title text ]
    [ search box ] (a) big picture (b) filter buttons (c) search box (d) top bar
22. 22.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
23. 23.Which of these is about UI (the look)? (a) whether users get lost (b) how easy sign-up is (c) how many taps it takes (d) the font size
24. 24.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
25. 25.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 48 px tall
    Back button: 32 px tall
    Done button: 48 px tall (a) Done (b) Help (c) Back
26. 26.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 60 px tall
    Done button: 48 px tall
    Next button: 44 px tall
    Save button: 36 px tall
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 19 px
    Label: 10 px
    Hint: 20 px (a) Body text (b) Label (c) Hint (d) Title
28. 28.💾 What does this code show? (Positions start at 0.)
    let notes = ["Science", "Sports", "Maths"];
    show(notes[2]); (a) Sports (b) Science (c) Maths
29. 29.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ Save button ]
    [ Add button ]
    [ list of items ]
    [ search box ]
    [ tab bar ]
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 23 px
    Menu: 16 px
    Footer: 10 px
    Title: 15 px
31. 31.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) tap “Sign up” (c) enter the code sent (d) open the app
32. 32.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Caption: 25 px
    Label: 28 px
    Menu: 19 px (a) Caption (b) Label (c) Menu (d) Title
34. 34.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
35. 35.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) strong colour contrast
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Help page”
    4. open “Match report”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.💾 pop() takes off the last item. What does this code show?
    let friends = ["Aman", "Zoya", "Kabir", "Arjun"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Arjun (b) Aman (c) Zoya (d) Kabir
38. 38.💾 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
39. 39.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
40. 40.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) uses plain grey boxes (d) looks like the real app

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