App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 318 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ menu icon ]
   [ filter buttons ]
   [ big picture ]
   [ tab bar ]
   [ list of items ]
2. 2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ menu icon ]
   [ tab bar ]
   [ search box ]
   [ title text ] (a) title text (b) search box (c) menu icon (d) tab bar
3. 3.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
4. 4.True or false: a wireframe shows where things go. (a) True (b) False
5. 5.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Edit photo”
   3. open “Edit photo”
   4. tap the Quiz tab
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Offers → Pens → Confirm → Address → Shop → Item
   Design B: Home → Cart → Search → Pay (a) Design B (b) Design A
8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
9. 9.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) pay for the order (c) check the cart (d) pick a dish
10. 10.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
11. 11.🔢 In a food-order flow, which comes LAST? (a) open the menu (b) pick a dish (c) add it to the cart (d) track the order
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ title text ]
    [ search box ]
    [ Save button ]
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Search
    Design B: Home → Address → Confirm → Pens → Item → Size
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now? (a) Feed (b) Edit photo (c) Help page (d) Chat
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Item → Pay → Pens → Cart → Menu
    Design B: Home → Pens → Results
16. 16.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) read a question (b) see if it is right
17. 17.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) an error (c) a picture goes here (d) delete this
18. 18.Which of these is true of a wireframe? (a) has no real colours (b) has the real colours (c) uses the final pictures (d) shows the real fonts
19. 19.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ filter buttons ]
    [ top bar ]
    [ Add button ]
    [ big picture ]
    [ list of items ]
    [ Save button ] (a) filter buttons (b) list of items (c) top bar (d) Add button
20. 20.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) has the real colours (d) shows where things go
21. 21.🎨 UI stands for user ___. (a) internet (b) interface (c) idea (d) input
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Video”
    4. tap the Search tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Start button is 40 px tall. How many px taller must it be?
24. 24.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. open “Badges”
    5. tap Back
    Which screen are you on now? (a) Badges (b) Match report (c) Video (d) Lessons
26. 26.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
27. 27.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ search box ]
    [ big picture ]
    [ menu icon ]
    [ top bar ] (a) top bar (b) search box (c) big picture
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Me (c) Match report (d) Help page
29. 29.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
30. 30.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) write a caption (c) take the photo (d) add a filter
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now? (a) Video (b) Match report (c) Chat (d) Feed
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 14 px
    Menu: 18 px
33. 33.True or false: space between buttons is good button design. (a) True (b) False
34. 34.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) see the home screen (c) type name and email (d) enter the code sent
35. 35.🔢 In a quiz-app flow, which comes first: “see the final score” or “read a question”? (a) read a question (b) see the final score
36. 36.🔍 Which is the odd one out? (a) the font size (b) how users feel after (c) the button colours (d) the theme colours
37. 37.💾 What number does this code show?
    let songs = ["Kites", "Stars"];
    songs.push("Rain");
    show(songs.length);
38. 38.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
39. 39.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) how users feel after (d) the font size
40. 40.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) tap “Sign up” (d) enter the code sent

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