App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 837 · 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 Design B need?
   Design A: Home → Menu → Offers
   Design B: Home → Pens → Pay → Results → Cart → Search
2. 2.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) add it to the cart (c) track the order (d) check the cart
3. 3.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
4. 4.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 44 px tall
   Cancel button: 40 px tall
   Back button: 48 px tall
   Help button: 64 px tall
5. 5.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 72 px tall
   Next button: 64 px tall
   Help button: 32 px tall (a) Next (b) Help (c) Send
6. 6.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
7. 7.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 52 px tall
   Help button: 36 px tall
   Back button: 64 px tall
   Done button: 64 px tall
8. 8.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) add it to the cart (c) check the cart (d) pay for the order
9. 9.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) captions on videos (d) labels on every icon
10. 10.Which colour pair is hard to read? (a) black on yellow (b) dark blue on white (c) red on green (d) white on dark green
11. 11.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) a draft you are typing (d) a class leaderboard
12. 12.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
13. 13.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) a picture goes here (c) an error (d) delete this
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Title: 25 px
    Label: 21 px
    Menu: 12 px (a) Title (b) Body text (c) Menu (d) Label
15. 15.🔍 Which is the odd one out? (a) whether users get lost (b) how easy sign-up is (c) the screen layout (d) how many taps it takes
16. 16.True or false: a wireframe shows the real fonts. (a) False (b) True
17. 17.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
18. 18.True or false: strong colour contrast is good button design. (a) False (b) True
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Done button is 36 px tall. How many px taller must it be?
20. 20.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Maths", "Science", "Hindi", "Art"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Hindi (c) Science (d) Sports
21. 21.💾 What number does this code show?
    let score = 6;
    score = score - 2;
    score = score + 2;
    show(score);
22. 22.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ title text ]
    [ big picture ]
    [ Save button ]
    [ list of items ]
23. 23.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.🔢 In a food-order flow, which comes first: “pay for the order” or “add it to the cart”? (a) add it to the cart (b) pay for the order
25. 25.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ menu icon ]
    [ Add button ]
    [ search box ]
    [ filter buttons ] (a) menu icon (b) Add button (c) search box
26. 26.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Badges”
    Which screen are you on now? (a) Search (b) Badges (c) Home (d) Video
28. 28.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
29. 29.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ Add button ]
    [ menu icon ]
    [ top bar ]
    [ Save button ]
    [ search box ] (a) menu icon (b) Save button (c) search box (d) top bar
30. 30.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) never need a password (c) use it on any device (d) skip the internet
31. 31.💾 What number does this code show?
    let songs = ["Kites", "Rain"];
    songs.push("Ocean");
    songs.push("Stars");
    show(songs.length);
32. 32.💾 What is a variable? (a) a phone setting (b) a named box for a value (c) a picture (d) a type of screen
33. 33.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ big picture ]
    [ Add button ]
    [ menu icon ]
    [ filter buttons ] (a) filter buttons (b) Add button (c) menu icon (d) big picture
34. 34.True or false: a clear word like Save is poor button design. (a) False (b) True
35. 35.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
36. 36.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ Save button ]
    [ search box ]
    [ menu icon ]
    [ Add button ]
    [ filter buttons ]
    [ list of items ] (a) filter buttons (b) Add button (c) list of items (d) Save button
37. 37.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
38. 38.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Search → Cart → Menu → Pay → Offers
    Design B: Home → Confirm → Shop
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Body text: 16 px
    Label: 11 px
    Caption: 13 px

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