App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 104 · 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.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Offers → Search
   Design B: Home → Results → Shop → Item → Menu
3. 3.💾 Which works with no internet at all? (a) data saved on the phone (b) a shared chat (c) a cloud leaderboard (d) a cloud backup
4. 4.Which of these is true of a wireframe? (a) uses the final pictures (b) shows the real fonts (c) is a quick sketch (d) has the real colours
5. 5.Which of these is about UX (the experience)? (a) the button colours (b) how easy sign-up is (c) the icon shapes (d) the screen layout
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 16 px
   Title: 21 px
   Hint: 13 px
   Body text: 28 px (a) Hint (b) Caption (c) Title (d) Body text
7. 7.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a dead end (c) a clear next step (d) a random page
8. 8.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
9. 9.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
10. 10.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ list of items ]
    [ title text ]
    [ search box ]
    [ Add button ] (a) Add button (b) title text (c) list of items (d) Save button
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Cart → Pens → Search → Menu → Confirm
    Design B: Home → Menu → Cart
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 52 px tall
    Start button: 48 px tall
    Done button: 52 px tall
    Help button: 32 px tall (a) Start (b) Done (c) Help (d) Send
14. 14.🔢 In a sign-up flow, which comes first: “open the app” or “enter the code sent”? (a) open the app (b) enter the code sent
15. 15.Which of these is true of a final design? (a) has no real colours (b) is a quick sketch (c) shows where things go (d) has the real colours
16. 16.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) see the final score (c) pick an answer (d) tap “Start quiz”
17. 17.Which of these fits saving in the cloud? (a) notes to read offline (b) a shared to-do list (c) the sound on/off setting (d) a draft you are typing
18. 18.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) has no real colours (d) uses the final pictures
19. 19.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) shows where things go (d) uses the final pictures
20. 20.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
21. 21.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ menu icon ]
    [ list of items ]
    [ title text ]
    [ big picture ]
    [ Add button ]
    [ Save button ] (a) title text (b) menu icon (c) Save button (d) big picture
22. 22.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ big picture ]
    [ Save button ]
    [ list of items ]
    [ Add button ] (a) big picture (b) Save button (c) Add button
23. 23.🔀 Why plan the user flow before building? (a) to hide the buttons (b) so each step is clear (c) to skip testing (d) to add more taps
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. open “Badges”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🔢 In a photo-post flow, what comes right after “take the photo”? (a) write a caption (b) post the photo (c) add a filter (d) open the camera screen
26. 26.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
27. 27.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ list of items ]
    [ Save button ]
    [ tab bar ]
    [ search box ] (a) Save button (b) search box (c) list of items
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Map”
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Match report (d) Map
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Match report
31. 31.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ big picture ]
    [ Save button ]
    [ title text ]
    [ filter buttons ] (a) big picture (b) title text (c) filter buttons
32. 32.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Address → Size
    Design B: Home → Offers → Address → Shop → Results → Menu
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Shop → Item → Pay → Cart → Confirm
    Design B: Home → Shop → Address → Menu
34. 34.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe
35. 35.💾 What does this code show? (Positions start at 0.)
    let songs = ["Kites", "Monsoon", "Rain"];
    show(songs[1]); (a) Monsoon (b) Rain (c) Kites
36. 36.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
37. 37.Which of these is about UI (the look)? (a) how many taps it takes (b) whether users get lost (c) the font size (d) how fast a task is done
38. 38.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
39. 39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ title text ]
    [ top bar ]
    [ tab bar ]
    [ list of items ] (a) title text (b) list of items (c) menu icon (d) top bar
40. 40.True or false: a final design uses the final pictures. (a) False (b) True

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