App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 329 · 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.🔀 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
2. 2.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
4. 4.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ Add button ]
   [ list of items ]
   [ Save button ]
   [ search box ] (a) list of items (b) search box (c) Save button (d) Add button
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Match report”
   3. open “Edit photo”
   Which screen are you on now? (a) Feed (b) Chat (c) Match report (d) Edit photo
6. 6.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) sits at the bottom
7. 7.True or false: your last game level fits saving on the phone. (a) False (b) True
8. 8.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
9. 9.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
10. 10.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) tap “Start quiz” (c) see the final score (d) pick an answer
11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
12. 12.🔢 In a food-order flow, what comes right after “pick a dish”? (a) check the cart (b) add it to the cart (c) track the order (d) pay for the order
13. 13.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
14. 14.💾 What number does this code show?
    let points = 4;
    points = points - 2;
    points = points + 3;
    show(points);
15. 15.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now? (a) Chat (b) Match report (c) Feed (d) Edit photo
17. 17.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) is a quick sketch (d) looks like the real app
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Results → Pens → Cart → Address
    Design B: Home → Size → Offers → Shop → Confirm → Pens → Cart
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Body text: 15 px
    Hint: 19 px
    Caption: 18 px
    Label: 22 px
20. 20.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
21. 21.🔢 In a food-order flow, which comes first: “track the order” or “open the menu”? (a) track the order (b) open the menu
22. 22.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Match report”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 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
25. 25.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) colour as the only clue
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Map”
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Map (c) Home (d) Profile
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Shop → Size
    Design B: Home → Cart → Shop → Search → Item → Offers → Confirm
28. 28.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ list of items ]
    [ filter buttons ]
    [ search box ]
    [ title text ] (a) title text (b) list of items (c) search box
29. 29.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) add it to the cart (c) pay for the order (d) open the menu
30. 30.Which of these fits saving in the cloud? (a) a shared to-do list (b) the sound on/off setting (c) your last game level (d) a draft you are typing
31. 31.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) tab bar (c) dead end (d) shortcut
32. 32.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
33. 33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Cart → Address → Menu → Shop → Pens
    Design B: Home → Offers → Menu (a) Design A (b) Design B
34. 34.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
35. 35.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on white (c) white on black (d) pale pink on white
36. 36.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) take the photo (c) add a filter (d) write a caption
37. 37.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) read a question (b) see if it is right (c) see the final score (d) pick an answer
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
39. 39.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
40. 40.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UX but poor UI (c) good UI but poor UX (d) no UI at all

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