App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 39 · 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 A need?
   Design A: Home → Menu → Cart → Size
   Design B: Home → Size → Pay
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Offers → Address → Cart → Menu
   Design B: Home → Address → Shop → Cart → Menu → Pay → Pens
3. 3.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
4. 4.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) open the camera screen (c) take the photo (d) post the photo
5. 5.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
   [ menu icon ]
   [ top bar ]
   [ list of items ]
   [ tab bar ]
   [ big picture ]
   [ Save button ] (a) top bar (b) big picture (c) menu icon (d) Save button
6. 6.Which colour pair is hard to read? (a) light grey on white (b) black on pale grey (c) black on yellow (d) dark blue on white
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Map”
   2. tap the Me tab
   3. open “Map”
   4. tap Back
   5. tap the Lessons tab
   Which screen are you on now? (a) Me (b) Lessons (c) Map (d) Quiz
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 17 px
   Menu: 23 px
   Title: 10 px (a) Body text (b) Title (c) Menu
9. 9.Which of these is true of a final design? (a) is a quick sketch (b) looks like the real app (c) uses plain grey boxes (d) shows where things go
10. 10.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) pick an answer (c) see the final score (d) tap “Start quiz”
11. 11.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
12. 12.🔘 Our rule: buttons are at least 48 px tall. The Save button is 40 px tall. How many px taller must it be?
13. 13.✏️ What is a wireframe? (a) a charging cable (b) a simple screen sketch (c) a type of password (d) the finished app
14. 14.Which of these fits saving in the cloud? (a) your last game level (b) a draft you are typing (c) notes to read offline (d) chat messages to friends
15. 15.🎨 UX stands for user ___. (a) express (b) example (c) experience (d) extra
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🔍 Which is the odd one out? (a) how many taps it takes (b) whether users get lost (c) how fast a task is done (d) the button colours
19. 19.Which of these is true of a final design? (a) uses plain grey boxes (b) has the real colours (c) shows where things go (d) is a quick sketch
20. 20.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
21. 21.Which of these is about UI (the look)? (a) the font size (b) how users feel after (c) how many taps it takes (d) how easy sign-up is
22. 22.🔢 In a photo-post flow, what comes right after “write a caption”? (a) post the photo (b) add a filter (c) take the photo (d) open the camera screen
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 21 px
    Menu: 9 px
    Label: 21 px (a) Footer (b) Label (c) Menu
24. 24.True or false: a final design uses plain grey boxes. (a) False (b) True
25. 25.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
26. 26.True or false: the theme colours is about UX (the experience). (a) True (b) False
27. 27.💾 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
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now? (a) Home (b) Search (c) Friend list (d) Edit photo
29. 29.🔢 In a quiz-app flow, which comes first: “see if it is right” or “see the final score”? (a) see if it is right (b) see the final score
30. 30.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) open the menu (c) pay for the order (d) track the order
31. 31.🎨 UI stands for user ___. (a) input (b) internet (c) idea (d) interface
32. 32.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) read a question (b) see the final score (c) see if it is right (d) pick an answer
33. 33.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) sudden loud sounds (d) colour as the only clue
34. 34.💾 What number does this code show?
    let songs = ["Sunrise", "Ocean"];
    songs.push("Stars");
    show(songs.length);
35. 35.Which of these is true of a wireframe? (a) uses plain grey boxes (b) shows the real fonts (c) looks like the real app (d) has the real colours
36. 36.True or false: how many taps it takes is about UI (the look). (a) True (b) False
37. 37.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
39. 39.Which of these is about UX (the experience)? (a) the theme colours (b) the button colours (c) how users feel after (d) the screen layout
40. 40.🔍 Which is the odd one out? (a) the theme colours (b) the font size (c) the icon shapes (d) how users feel after

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