App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 862 · 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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pens → Menu
   Design B: Home → Pens → Results → Confirm (a) Design A (b) Design B
2. 2.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
3. 3.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
4. 4.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 10 (c) 0 (d) 2
5. 5.Which of these fits saving in the cloud? (a) your last game level (b) the sound on/off setting (c) a class leaderboard (d) a draft you are typing
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
7. 7.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
8. 8.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) an error (c) a picture goes here (d) a closed app
9. 9.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
   [ Save button ]
   [ big picture ]
   [ search box ]
   [ menu icon ]
   [ tab bar ]
   [ list of items ] (a) search box (b) Save button (c) big picture (d) list of items
10. 10.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
11. 11.True or false: a final design looks like the real app. (a) False (b) True
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ search box ]
    [ top bar ]
    [ tab bar ]
    [ title text ]
13. 13.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ Save button ]
    [ filter buttons ]
    [ title text ] (a) filter buttons (b) title text (c) Save button (d) menu icon
14. 14.💾 Saving data in the cloud lets you ___. (a) never need a password (b) use it on any device (c) skip the internet (d) shrink the app
15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
16. 16.Which of these is about UI (the look)? (a) the font size (b) how users feel after (c) how easy sign-up is (d) how fast a task is done
17. 17.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) text that can grow
18. 18.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
19. 19.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
20. 20.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
21. 21.🔍 Which is the odd one out? (a) how easy sign-up is (b) whether users get lost (c) the screen layout (d) how many taps it takes
22. 22.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
23. 23.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Shop
    Design B: Home → Item → Menu → Offers → Shop → Cart
26. 26.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) looks like the real app (d) has the real colours
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Badges”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ search box ]
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ big picture ] (a) menu icon (b) list of items (c) search box (d) big picture
29. 29.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 60 px tall
    Send button: 64 px tall
    Done button: 32 px tall
    Help button: 52 px tall
31. 31.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 52 px tall
    Send button: 48 px tall
    Start button: 40 px tall (a) Start (b) Save (c) Send
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 20 px
    Footer: 19 px
    Menu: 17 px
    Body text: 23 px (a) Title (b) Hint (c) Menu (d) Footer
33. 33.🔢 In a sign-up flow, which comes first: “see the home screen” or “open the app”? (a) see the home screen (b) open the app
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Cart → Results
    Design B: Home → Item → Menu
35. 35.Which of these is true of a final design? (a) shows where things go (b) uses plain grey boxes (c) shows the real fonts (d) has no real colours
36. 36.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
37. 37.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) captions on videos (d) text that can grow
39. 39.🔍 Which is the odd one out? (a) the theme colours (b) how easy sign-up is (c) how users feel after (d) how many taps it takes
40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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