App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 734 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Profile tab
   3. tap the Search tab
   Which screen are you on now? (a) Profile (b) Search (c) Home (d) Match report
2. 2.💾 What does this code show? (Positions start at 0.)
   let songs = ["Stars", "Monsoon", "Ocean", "Sunrise"];
   show(songs[3]); (a) Stars (b) Ocean (c) Monsoon (d) Sunrise
3. 3.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
4. 4.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) strong colour contrast
5. 5.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) pay for the order (c) check the cart (d) open the menu
6. 6.🖼️ In this wireframe (top to bottom), what is right below the title text?
   [ title text ]
   [ menu icon ]
   [ Save button ]
   [ big picture ] (a) menu icon (b) big picture (c) Save button
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap the Home tab
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) open the menu (c) add it to the cart (d) track the order
9. 9.Which of these is about UX (the experience)? (a) the font size (b) the screen layout (c) how easy sign-up is (d) the button colours
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 64 px tall
    Help button: 56 px tall
    Save button: 48 px tall
11. 11.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) text that can grow (d) colour as the only clue
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Search → Pens
    Design B: Home → Confirm → Search
14. 14.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the phone is lost (c) the app is closed (d) you send a message
15. 15.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
16. 16.Which of these is true of a wireframe? (a) uses the final pictures (b) shows the real fonts (c) looks like the real app (d) uses plain grey boxes
17. 17.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) a picture goes here (c) delete this (d) an error
18. 18.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Hint: 27 px
    Body text: 22 px
    Footer: 23 px
    Caption: 10 px (a) Caption (b) Title (c) Body text (d) Hint
20. 20.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Search tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now? (a) Match report (b) Badges (c) Home (d) Search
22. 22.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
23. 23.🔢 In a photo-post flow, which comes first: “open the camera screen” or “add a filter”? (a) add a filter (b) open the camera screen
24. 24.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) a class leaderboard (d) your last game level
25. 25.🔢 In a sign-up flow, what comes right after “make a password”? (a) tap “Sign up” (b) see the home screen (c) type name and email (d) enter the code sent
26. 26.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 36 px tall
    Done button: 60 px tall
    Next button: 64 px tall
    Save button: 60 px tall (a) Next (b) Help (c) Done (d) Save
27. 27.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Zoya", "Meera", "Riya"];
    show(friends[0]); (a) Meera (b) Riya (c) Arjun (d) Zoya
28. 28.🔢 In a photo-post flow, which comes first: “add a filter” or “take the photo”? (a) take the photo (b) add a filter
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 44 px tall
    Send button: 56 px tall
    Done button: 52 px tall (a) Send (b) Done (c) Help
30. 30.🔍 Which is the odd one out? (a) how fast a task is done (b) the button colours (c) the screen layout (d) the font size
31. 31.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) tab bar (c) home screen (d) shortcut
32. 32.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) tap “Sign up” (b) make a password
33. 33.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) is a quick sketch (d) uses the final pictures
34. 34.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
35. 35.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) open the app (c) enter the code sent (d) type name and email
36. 36.🔢 In a photo-post flow, which comes first: “post the photo” or “open the camera screen”? (a) post the photo (b) open the camera screen
37. 37.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ Add button ]
    [ search box ]
    [ big picture ]
    [ top bar ]
    [ tab bar ]
38. 38.Which of these is true of a final design? (a) uses plain grey boxes (b) shows the real fonts (c) is a quick sketch (d) shows where things go
39. 39.True or false: how easy sign-up is is about UX (the experience). (a) True (b) False
40. 40.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder

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