App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 615 · 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.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
2. 2.🔢 In a food-order flow, what comes right after “pick a dish”? (a) open the menu (b) add it to the cart (c) track the order (d) pay for the order
3. 3.Which of these is about UI (the look)? (a) how users feel after (b) how easy sign-up is (c) the button colours (d) how fast a task is done
4. 4.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Next button: 52 px tall
   Help button: 56 px tall
   Back button: 52 px tall
   Start button: 56 px tall
5. 5.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ Add button ]
   [ big picture ]
   [ title text ]
   [ tab bar ] (a) big picture (b) tab bar (c) Add button (d) title text
6. 6.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
7. 7.🖼️ How many parts (boxes) does this wireframe have?
   [ big picture ]
   [ title text ]
   [ filter buttons ]
   [ tab bar ]
   [ top bar ]
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 28 px
   Caption: 10 px
   Footer: 17 px (a) Caption (b) Footer (c) Hint
9. 9.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 36 px tall
   Cancel button: 52 px tall
   Help button: 44 px tall
   Done button: 44 px tall
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now? (a) Search (b) Home (c) Edit photo (d) Match report
11. 11.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ Save button ]
    [ tab bar ]
    [ search box ]
    [ title text ]
    [ top bar ] (a) tab bar (b) Save button (c) search box (d) top bar
12. 12.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now? (a) Feed (b) Chat (c) Badges (d) Map
14. 14.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 60 px tall
    Back button: 52 px tall
    Done button: 40 px tall (a) Cancel (b) Back (c) Done
15. 15.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.🔢 In a sign-up flow, which comes first: “type name and email” or “see the home screen”? (a) type name and email (b) see the home screen
17. 17.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
18. 18.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
19. 19.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it adds colours (c) changes are quick (d) it saves data
20. 20.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) tap “Sign up” (c) see the home screen (d) open the app
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Results → Shop → Pens → Menu
    Design B: Home → Offers → Pens → Pay
22. 22.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 64 px tall
    Back button: 36 px tall
    Cancel button: 36 px tall
    Next button: 52 px tall
23. 23.🎨 UX stands for user ___. (a) express (b) extra (c) example (d) experience
24. 24.Which of these is true of a final design? (a) shows the real fonts (b) is a quick sketch (c) uses plain grey boxes (d) shows where things go
25. 25.🎨 UI stands for user ___. (a) idea (b) interface (c) internet (d) input
26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
27. 27.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
28. 28.True or false: grey text on grey is good button design. (a) False (b) True
29. 29.🔢 In a quiz-app flow, which comes first: “read a question” or “pick an answer”? (a) pick an answer (b) read a question
30. 30.🔢 In a photo-post flow, what comes right after “add a filter”? (a) post the photo (b) open the camera screen (c) take the photo (d) write a caption
31. 31.Which of these fits saving on the phone? (a) photos on two devices (b) chat messages to friends (c) the sound on/off setting (d) a class leaderboard
32. 32.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
33. 33.True or false: a final design has the real colours. (a) False (b) True
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now? (a) Friend list (b) Feed (c) Score card (d) Badges
35. 35.True or false: how fast a task is done is about UI (the look). (a) False (b) True
36. 36.🔢 In a food-order flow, which comes first: “open the menu” or “pick a dish”? (a) open the menu (b) pick a dish
37. 37.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
38. 38.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
39. 39.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) switches main sections
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Save button is 20 px tall. How many px taller must it be?

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