App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 181 · 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.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Address → Shop
   Design B: Home → Cart → Size → Pay → Menu → Offers → Confirm
2. 2.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
3. 3.💾 What does this code show? (Positions start at 0.)
   let friends = ["Aman", "Meera", "Kabir", "Arjun", "Riya"];
   show(friends[3]); (a) Meera (b) Arjun (c) Aman (d) Kabir
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Help page”
   3. tap the Chat tab
   4. open “Edit photo”
   Which screen are you on now? (a) Feed (b) Match report (c) Edit photo (d) Help page
5. 5.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
6. 6.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
7. 7.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
8. 8.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) how users feel after (d) the icon shapes
9. 9.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
10. 10.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
11. 11.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Confirm → Item → Offers
    Design B: Home → Search → Pay
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) icons with no labels (d) big touch targets
14. 14.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) check the cart (b) track the order (c) open the menu (d) pick a dish
15. 15.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Footer: 12 px
    Menu: 24 px
    Label: 16 px
    Caption: 17 px (a) Footer (b) Menu (c) Body text (d) Label
17. 17.💾 What number does this code show?
    let friends = ["Aman", "Kabir", "Riya"];
    friends.push("Zoya");
    show(friends.length);
18. 18.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) open the camera screen (b) post the photo
19. 19.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 44 px tall
    Next button: 40 px tall
    Start button: 52 px tall
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 22 px
    Label: 28 px
    Caption: 25 px
    Title: 14 px (a) Label (b) Body text (c) Hint (d) Title
21. 21.🔍 Which is the odd one out? (a) the icon shapes (b) the font size (c) how fast a task is done (d) the screen layout
22. 22.🔍 Which is the odd one out? (a) whether users get lost (b) how many taps it takes (c) how easy sign-up is (d) the icon shapes
23. 23.💾 What number does this code show?
    let lives = 6;
    lives = lives - 4;
    lives = lives + 1;
    show(lives);
24. 24.🔍 Which is the odd one out? (a) the theme colours (b) how easy sign-up is (c) the screen layout (d) the font size
25. 25.💾 What number does this code show?
    let stars = 4;
    stars = stars - 1;
    stars = stars + 4;
    show(stars);
26. 26.💾 What number does this code show?
    let points = 8;
    points = points - 2;
    points = points + 1;
    show(points);
27. 27.True or false: the icon shapes is about UI (the look). (a) True (b) False
28. 28.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Video (c) Settings (d) Chat
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Confirm → Pay → Offers
    Design B: Home → Offers → Shop → Menu
31. 31.Which of these is about UI (the look)? (a) how fast a task is done (b) the icon shapes (c) how many taps it takes (d) how easy sign-up is
32. 32.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) tap “Sign up” (c) open the app (d) make a password
33. 33.🔢 In a food-order flow, which comes FIRST? (a) pay for the order (b) check the cart (c) add it to the cart (d) open the menu
34. 34.Which colour pair is easy to read? (a) dark blue on white (b) dark blue on black (c) pale pink on white (d) light grey on white
35. 35.True or false: a clear word like Save is poor button design. (a) False (b) True
36. 36.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
37. 37.✏️ What is a wireframe? (a) the finished app (b) a type of password (c) a simple screen sketch (d) a charging cable
38. 38.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ big picture ]
    [ tab bar ]
    [ list of items ]
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) fast-flashing lights
40. 40.Which of these is true of a wireframe? (a) shows the real fonts (b) uses the final pictures (c) is a quick sketch (d) looks like the real app

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