App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 426 · 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.🔘 Our rule: buttons are at least 48 px tall. The Send button is 20 px tall. How many px taller must it be?
2. 2.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) switches main sections (d) undoes one move
3. 3.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
4. 4.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
5. 5.True or false: a final design has the real colours. (a) False (b) True
6. 6.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) switches main sections
7. 7.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see if it is right”? (a) pick an answer (b) see if it is right
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Video”
   3. tap the Home tab
   4. tap the Profile tab
   5. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🎨 UI stands for user ___. (a) internet (b) input (c) idea (d) interface
10. 10.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a clear next step (c) a random page (d) a dead end
11. 11.🔢 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
12. 12.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ list of items ]
    [ menu icon ]
    [ tab bar ]
    [ search box ]
    [ big picture ]
    [ filter buttons ] (a) list of items (b) menu icon (c) tab bar (d) big picture
13. 13.🔘 Our rule: buttons are at least 48 px tall. The Back button is 36 px tall. How many px taller must it be?
14. 14.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on black (c) black on yellow (d) white on black
15. 15.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ filter buttons ]
    [ menu icon ]
    [ top bar ]
    [ Save button ] (a) list of items (b) top bar (c) filter buttons (d) Save button
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🔍 Which is the odd one out? (a) the icon shapes (b) how many taps it takes (c) the button colours (d) the screen layout
18. 18.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
19. 19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 28 px tall
    Done button: 60 px tall
    Next button: 72 px tall (a) Done (b) Start (c) Next
20. 20.True or false: a wireframe has the real colours. (a) True (b) False
21. 21.Which of these is true of a final design? (a) is a quick sketch (b) shows the real fonts (c) has no real colours (d) uses plain grey boxes
22. 22.🔍 Which is the odd one out? (a) the screen layout (b) the button colours (c) the theme colours (d) how fast a task is done
23. 23.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) check the cart (d) pick a dish
24. 24.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ title text ]
    [ search box ]
    [ big picture ]
    [ Save button ] (a) big picture (b) search box (c) title text
25. 25.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
26. 26.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Address → Pay → Size
    Design B: Home → Item → Shop
27. 27.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
28. 28.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
29. 29.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) sits at the bottom
30. 30.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) add it to the cart (b) pick a dish
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Address → Size
    Design B: Home → Address → Confirm → Menu → Size → Offers → Cart
32. 32.Which colour pair is easy to read? (a) red on green (b) black on yellow (c) yellow on white (d) dark blue on black
33. 33.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
34. 34.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) take the photo (c) open the camera screen (d) post the photo
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Match report”
    5. open “Video”
    Which screen are you on now? (a) Video (b) Match report (c) Lessons (d) Edit photo
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Match report (b) Edit photo (c) Quiz (d) Lessons
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now? (a) Badges (b) Feed (c) Chat (d) Friend list
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Pens → Address → Size
    Design B: Home → Shop → Pens → Address → Menu → Cart → Item
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ tab bar ]
40. 40.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons

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