App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 365 · 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.✏️ 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
2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 12 px
   Body text: 18 px
   Label: 11 px
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Next button: 60 px tall
   Send button: 60 px tall
   Back button: 32 px tall (a) Next (b) Send (c) Back
5. 5.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud leaderboard (c) a shared chat (d) a cloud backup
6. 6.True or false: a draft you are typing fits saving in the cloud. (a) False (b) True
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
8. 8.💾 What number does this code show?
   let coins = 4;
   coins = coins - 2;
   coins = coins + 1;
   show(coins);
9. 9.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
10. 10.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
11. 11.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
13. 13.True or false: strong colour contrast is poor button design. (a) False (b) True
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Video”
    4. tap the Search tab
    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 “Match report”
    2. tap the Feed tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ big picture ]
    [ filter buttons ]
    [ top bar ]
    [ title text ]
    [ tab bar ]
    [ menu icon ] (a) filter buttons (b) menu icon (c) big picture (d) tab bar
20. 20.💾 pop() takes off the last item. What does this code show?
    let songs = ["Stars", "Kites", "Rain", "Monsoon"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Stars (c) Kites (d) Monsoon
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) fast-flashing lights (d) text that can grow
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Item → Results → Pens → Size → Offers
    Design B: Home → Pens → Pay → Search → Shop → Address
24. 24.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 24 px tall
    Cancel button: 72 px tall
    Back button: 48 px tall (a) Back (b) Cancel (c) Save
25. 25.🔢 In a food-order flow, which comes first: “add it to the cart” or “pick a dish”? (a) pick a dish (b) add it to the cart
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Feed tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 52 px tall
    Help button: 48 px tall
    Start button: 52 px tall
    Back button: 44 px tall (a) Save (b) Back (c) Start (d) Help
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
30. 30.💾 What does this code show? (Positions start at 0.)
    let friends = ["Meera", "Riya", "Zoya", "Aman"];
    show(friends[3]); (a) Aman (b) Zoya (c) Meera (d) Riya
31. 31.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
32. 32.🔍 Which is the odd one out? (a) the button colours (b) how many taps it takes (c) the theme colours (d) the font size
33. 33.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ title text ]
    [ top bar ]
    [ search box ]
    [ filter buttons ]
    [ tab bar ] (a) title text (b) list of items (c) tab bar (d) filter buttons
34. 34.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) notes to read offline (d) photos on two devices
35. 35.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
36. 36.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) the path through screens (d) a type of font
37. 37.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) take the photo (b) open the camera screen
38. 38.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Search
    Design B: Home → Pens → Offers → Menu → Confirm → Results → Shop
40. 40.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) take the photo (c) open the camera screen (d) post the photo

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