App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 266 · 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.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
2. 2.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
3. 3.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 28 px tall
   Save button: 64 px tall
   Help button: 60 px tall (a) Help (b) Done (c) Save
4. 4.🔘 Our rule: buttons are at least 48 px tall. The Done button is 20 px tall. How many px taller must it be?
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Send button is 24 px tall. How many px taller must it be?
6. 6.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) read a question (c) see if it is right (d) see the final score
7. 7.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
9. 9.🔍 Which is the odd one out? (a) the button colours (b) the screen layout (c) how easy sign-up is (d) the theme colours
10. 10.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) track the order (b) pick a dish (c) open the menu (d) check the cart
11. 11.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) a class leaderboard (d) notes to read offline
12. 12.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Confirm → Offers → Pay
    Design B: Home → Cart → Confirm → Size (a) Design A (b) Design B
14. 14.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) shows the real fonts (d) shows where things go
15. 15.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) tap “Start quiz” (b) see the final score
16. 16.💾 What number does this code show?
    let notes = ["Sports", "Music", "Hindi"];
    notes.push("Art");
    show(notes.length);
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 52 px tall
    Done button: 64 px tall
    Send button: 56 px tall
    Start button: 24 px tall (a) Start (b) Done (c) Send (d) Help
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Caption: 21 px
    Hint: 12 px
    Label: 13 px
    Menu: 23 px
19. 19.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
20. 20.Which of these is true of a final design? (a) shows where things go (b) is a quick sketch (c) uses plain grey boxes (d) looks like the real app
21. 21.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 44 px tall
    Cancel button: 44 px tall
    Back button: 48 px tall
    Next button: 56 px tall
22. 22.🔘 Our rule: buttons are at least 48 px tall. The Save button is 44 px tall. How many px taller must it be?
23. 23.True or false: your last game level fits saving on the phone. (a) True (b) False
24. 24.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
25. 25.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
26. 26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ tab bar ]
    [ search box ]
    [ title text ]
    [ top bar ]
    [ filter buttons ] (a) Save button (b) tab bar (c) title text (d) filter buttons
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Help page”
    4. tap the Chat tab
    5. tap the Feed tab
    Which screen are you on now? (a) Chat (b) Feed (c) Map (d) Help page
28. 28.True or false: a wireframe shows where things go. (a) False (b) True
29. 29.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) write a caption (b) add a filter (c) take the photo (d) post the photo
32. 32.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
33. 33.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
34. 34.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ title text ]
    [ menu icon ]
    [ Save button ]
    [ tab bar ]
35. 35.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ title text ]
    [ big picture ]
    [ search box ]
    [ Add button ]
    [ tab bar ] (a) tab bar (b) Add button (c) big picture (d) title text
37. 37.Which of these is about UX (the experience)? (a) the font size (b) how easy sign-up is (c) the button colours (d) the theme colours
38. 38.💾 What number does this code show?
    let points = 9;
    points = points - 9;
    points = points + 4;
    show(points);
39. 39.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
40. 40.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ menu icon ]
    [ big picture ]
    [ search box ]
    [ filter buttons ] (a) menu icon (b) search box (c) filter buttons (d) big picture

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