App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 885 · 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.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) pick an answer (b) tap “Start quiz”
2. 2.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pay → Cart → Menu → Confirm → Search → Size
   Design B: Home → Menu → Pay → Address (a) Design B (b) Design A
3. 3.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
4. 4.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) pencil and paper (c) a microphone (d) a phone case
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. open “Video”
   3. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🔍 Which is the odd one out? (a) the screen layout (b) the icon shapes (c) the button colours (d) how many taps it takes
7. 7.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
8. 8.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) perfect UX (c) good UX but poor UI (d) no UI at all
9. 9.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
10. 10.🔍 Which is the odd one out? (a) the font size (b) how fast a task is done (c) how easy sign-up is (d) how many taps it takes
11. 11.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) hides extra links
12. 12.💾 What number does this code show?
    let notes = ["Sports", "Hindi", "Science", "Maths"];
    notes.push("Music");
    notes.push("Art");
    show(notes.length);
13. 13.🔍 Which is the odd one out? (a) the icon shapes (b) the font size (c) how easy sign-up is (d) the button colours
14. 14.💾 What number does this code show?
    let songs = ["Sunrise", "Rain"];
    songs.push("Kites");
    show(songs.length);
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Help page”
    4. open “Score card”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.💾 What number does this code show?
    let stars = 7;
    stars = stars - 3;
    stars = stars + 3;
    show(stars);
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
18. 18.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ list of items ]
    [ tab bar ]
    [ title text ]
    [ search box ]
    [ filter buttons ] (a) search box (b) list of items (c) title text (d) filter buttons
19. 19.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
20. 20.🔢 In a photo-post flow, what comes right after “write a caption”? (a) post the photo (b) take the photo (c) open the camera screen (d) add a filter
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Pens → Pay → Search
    Design B: Home → Size → Menu → Item
22. 22.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ filter buttons ]
    [ list of items ]
    [ title text ]
    [ search box ] (a) search box (b) filter buttons (c) title text
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Label: 18 px
    Hint: 11 px (a) Footer (b) Label (c) Hint
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Results → Menu → Cart → Pay
    Design B: Home → Cart → Pens → Shop → Size → Results → Search (a) Design A (b) Design B
25. 25.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) hides extra links
28. 28.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ top bar ]
    [ big picture ]
    [ Add button ]
    [ search box ]
    [ filter buttons ]
    [ menu icon ] (a) search box (b) big picture (c) filter buttons (d) menu icon
29. 29.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. open “Friend list”
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Video (c) Friend list (d) Home
31. 31.🎨 Who should you test the UX with? (a) only yourself (b) nobody (c) the app icon (d) real users
32. 32.Which colour pair is easy to read? (a) yellow on white (b) dark blue on white (c) dark blue on black (d) red on green
33. 33.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
34. 34.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 32 px tall
    Cancel button: 64 px tall
    Start button: 72 px tall (a) Next (b) Cancel (c) Start
35. 35.✏️ What is a wireframe? (a) a type of password (b) a simple screen sketch (c) a charging cable (d) the finished app
36. 36.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) sits at the bottom
37. 37.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Pay
    Design B: Home → Address → Shop → Pay → Item → Offers → Results (a) Design A (b) Design B
38. 38.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
39. 39.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Address → Confirm → Size → Search → Pay
    Design B: Home → Pens → Pay

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