App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 835 · 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 of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) a draft you are typing (d) a shared to-do list
2. 2.True or false: your last game level fits saving on the phone. (a) False (b) True
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Search → Shop
   Design B: Home → Menu → Size → Cart
4. 4.🖼️ In this wireframe (top to bottom), what is right above the title text?
   [ menu icon ]
   [ search box ]
   [ tab bar ]
   [ title text ]
   [ filter buttons ]
   [ top bar ] (a) filter buttons (b) tab bar (c) menu icon (d) top bar
5. 5.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) tap “Start quiz” (c) read a question (d) pick an answer
6. 6.🔢 In a sign-up flow, which comes first: “open the app” or “type name and email”? (a) open the app (b) type name and email
7. 7.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) take the photo (c) post the photo (d) open the camera screen
8. 8.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
9. 9.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.Which colour pair is easy to read? (a) black on yellow (b) yellow on white (c) red on green (d) light grey on white
12. 12.💾 What is a variable? (a) a phone setting (b) a type of screen (c) a named box for a value (d) a picture
13. 13.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) hides extra links
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) big touch targets
15. 15.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ big picture ]
    [ menu icon ]
    [ Add button ]
    [ search box ]
    [ filter buttons ] (a) Add button (b) big picture (c) filter buttons (d) search box
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
18. 18.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
19. 19.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ list of items ]
    [ filter buttons ]
    [ top bar ]
    [ Add button ]
    [ Save button ]
    [ tab bar ] (a) tab bar (b) Save button (c) list of items (d) top bar
20. 20.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
21. 21.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Title: 18 px
    Hint: 11 px (a) Caption (b) Hint (c) Title
23. 23.💾 What number does this code show?
    let points = 6;
    points = points - 6;
    points = points + 5;
    show(points);
24. 24.Which of these is true of a wireframe? (a) is a quick sketch (b) shows the real fonts (c) uses the final pictures (d) has the real colours
25. 25.True or false: a clear word like Save is poor button design. (a) True (b) False
26. 26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ big picture ]
    [ title text ]
    [ filter buttons ]
    [ top bar ] (a) top bar (b) list of items (c) title text (d) filter buttons
27. 27.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
28. 28.True or false: strong colour contrast is poor button design. (a) False (b) True
29. 29.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) colour as the only clue
31. 31.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ tab bar ]
    [ Save button ]
    [ Add button ]
    [ filter buttons ] (a) Save button (b) Add button (c) search box (d) filter buttons
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now? (a) Feed (b) Help page (c) Chat (d) Settings
33. 33.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
35. 35.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ list of items ]
    [ tab bar ]
    [ Add button ]
38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
39. 39.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 72 px tall
    Done button: 44 px tall
    Cancel button: 72 px tall
    Next button: 64 px tall (a) Next (b) Cancel (c) Send (d) Done
40. 40.✏️ Why draw a wireframe before coding? (a) changes are quick (b) it adds colours (c) it saves data (d) it runs the app

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