App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 725 · 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 about UI or UX: how fast a task is done? (a) UI (b) UX
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. tap Back
   3. open “Match report”
   4. tap the Lessons tab
   5. open “Score card”
   Which screen are you on now? (a) Score card (b) Match report (c) Video (d) Lessons
3. 3.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) captions on videos (d) sudden loud sounds
4. 4.Which of these is true of a final design? (a) has the real colours (b) uses plain grey boxes (c) is a quick sketch (d) has no real colours
5. 5.✏️ Why draw a wireframe before coding? (a) changes are quick (b) it runs the app (c) it adds colours (d) it saves data
6. 6.Which of these is about UI (the look)? (a) whether users get lost (b) how users feel after (c) the icon shapes (d) how many taps it takes
7. 7.🔢 In a food-order flow, which comes first: “pick a dish” or “track the order”? (a) pick a dish (b) track the order
8. 8.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Back button: 52 px tall
   Start button: 28 px tall
   Next button: 52 px tall
   Cancel button: 72 px tall (a) Back (b) Cancel (c) Next (d) Start
9. 9.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Badges”
    4. tap the Feed tab
    5. open “Score card”
    Which screen are you on now? (a) Badges (b) Map (c) Score card (d) Feed
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Chat tab
    Which screen are you on now? (a) Friend list (b) Chat (c) Settings (d) Feed
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Body text: 17 px
    Caption: 27 px
    Hint: 22 px (a) Title (b) Body text (c) Caption (d) Hint
13. 13.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
14. 14.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
15. 15.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) pay for the order (c) track the order (d) check the cart
16. 16.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Menu → Pens → Shop
    Design B: Home → Cart → Item (a) Design B (b) Design A
17. 17.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
18. 18.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) see the home screen (b) tap “Sign up”
19. 19.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) make a password (b) open the app
20. 20.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) labels on every icon
21. 21.True or false: a class leaderboard fits saving on the phone. (a) False (b) True
22. 22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Shop
    Design B: Home → Size → Pens → Pay → Menu (a) Design A (b) Design B
23. 23.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
24. 24.Which colour pair is easy to read? (a) yellow on white (b) white on black (c) dark blue on black (d) pale pink on white
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Video”
    4. open “Match report”
    Which screen are you on now? (a) Badges (b) Score card (c) Match report (d) Video
26. 26.True or false: how many taps it takes is about UI (the look). (a) True (b) False
27. 27.Which of these is true of a final design? (a) uses plain grey boxes (b) looks like the real app (c) has no real colours (d) shows where things go
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Confirm → Cart → Shop → Pay → Results
    Design B: Home → Pens → Item (a) Design A (b) Design B
30. 30.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
31. 31.True or false: your last game level fits saving on the phone. (a) True (b) False
32. 32.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see the final score (c) read a question (d) see if it is right
33. 33.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🔢 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
36. 36.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
37. 37.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ top bar ]
    [ filter buttons ]
    [ Add button ]
    [ Save button ]
    [ menu icon ] (a) menu icon (b) top bar (c) Add button (d) filter buttons
38. 38.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ menu icon ]
    [ Save button ]
    [ list of items ]
    [ filter buttons ] (a) Save button (b) menu icon (c) filter buttons
39. 39.True or false: a final design is a quick sketch. (a) True (b) False
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now? (a) Search (b) Video (c) Home (d) Profile

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