App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 264 · 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.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
2. 2.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
3. 3.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
4. 4.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) a dead end (d) the same screen
5. 5.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the icon shapes (c) the screen layout (d) the theme colours
6. 6.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 24 px tall. How many px taller must it be?
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
8. 8.True or false: your last game level fits saving in the cloud. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Body text: 16 px
   Caption: 24 px
   Menu: 16 px (a) Body text (b) Menu (c) Title (d) Caption
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
11. 11.True or false: a wireframe uses plain grey boxes. (a) False (b) True
12. 12.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Caption: 24 px
    Menu: 11 px
14. 14.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
15. 15.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Map”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.Which of these is about UX (the experience)? (a) the font size (b) how fast a task is done (c) the button colours (d) the screen layout
19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
20. 20.🎨 Who should you test the UX with? (a) nobody (b) the app icon (c) real users (d) only yourself
21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) text that can grow (d) labels on every icon
22. 22.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
23. 23.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) text that can grow
24. 24.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
25. 25.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
26. 26.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 68 px tall
    Start button: 36 px tall
    Back button: 52 px tall (a) Cancel (b) Back (c) Start
27. 27.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ search box ]
    [ list of items ]
    [ tab bar ]
    [ big picture ]
    [ Add button ]
    [ title text ] (a) title text (b) Add button (c) search box (d) big picture
28. 28.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) pencil and paper (d) a microphone
29. 29.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ menu icon ]
    [ big picture ]
    [ Save button ]
    [ Add button ] (a) big picture (b) Add button (c) menu icon
30. 30.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
31. 31.💾 What number does this code show?
    let points = 5;
    points = points - 2;
    points = points + 1;
    show(points);
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now? (a) Friend list (b) Lessons (c) Video (d) Badges
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ big picture ]
    [ Add button ]
    [ search box ]
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Item → Offers → Pay → Pens → Address → Shop
    Design B: Home → Offers → Size → Shop → Confirm
35. 35.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) the button colours (d) whether users get lost
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Size
    Design B: Home → Item → Shop → Confirm → Address → Cart
37. 37.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
38. 38.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Search
    Design B: Home → Results → Offers → Cart → Pens
40. 40.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) open the camera screen (c) take the photo (d) write a caption

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students