App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 220 · 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 fits saving on the phone? (a) a draft you are typing (b) a class leaderboard (c) photos on two devices (d) a shared to-do list
2. 2.💾 In most code, the first item of a list is at position ___. (a) 10 (b) 2 (c) 0 (d) 1
3. 3.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ filter buttons ]
   [ list of items ]
   [ Add button ]
   [ top bar ] (a) top bar (b) filter buttons (c) list of items
4. 4.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) open the app (b) type name and email
5. 5.🔍 Which is the odd one out? (a) the button colours (b) how users feel after (c) the font size (d) the theme colours
6. 6.True or false: grey text on grey is poor button design. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) how many taps it takes (d) the icon shapes
8. 8.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. tap Back
   3. tap the Search tab
   4. open “Video”
   5. tap the Search tab
   Which screen are you on now? (a) Video (b) Search (c) Friend list (d) Home
10. 10.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 24 px tall
    Save button: 68 px tall
    Help button: 52 px tall
    Start button: 48 px tall (a) Help (b) Start (c) Send (d) Save
11. 11.🔀 Why plan the user flow before building? (a) to add more taps (b) to skip testing (c) to hide the buttons (d) so each step is clear
12. 12.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ top bar ]
    [ big picture ]
    [ tab bar ]
    [ filter buttons ]
    [ search box ] (a) search box (b) filter buttons (c) big picture (d) tab bar
13. 13.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
14. 14.🔍 Which is the odd one out? (a) how easy sign-up is (b) the font size (c) the theme colours (d) the icon shapes
15. 15.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
16. 16.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) tap “Sign up” (c) type name and email (d) make a password
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Map”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Badges”
    Which screen are you on now? (a) Badges (b) Home (c) Profile (d) Search
19. 19.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
20. 20.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) open the app (b) tap “Sign up” (c) make a password (d) see the home screen
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
22. 22.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
23. 23.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) captions on videos
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Title: 15 px
    Label: 15 px
    Menu: 14 px
26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
27. 27.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) sudden loud sounds (d) tiny tap areas
28. 28.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) add it to the cart (c) track the order (d) pick a dish
31. 31.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
32. 32.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Save button ]
    [ filter buttons ]
    [ title text ]
    [ search box ] (a) search box (b) Save button (c) title text
33. 33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Search → Shop → Pens
    Design B: Home → Results → Search → Menu → Item → Offers (a) Design A (b) Design B
34. 34.True or false: a final design uses the final pictures. (a) True (b) False
35. 35.💾 What number does this code show?
    let score = 7;
    score = score - 6;
    score = score + 1;
    show(score);
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Match report”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
37. 37.True or false: how fast a task is done is about UI (the look). (a) True (b) False
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Menu → Shop
    Design B: Home → Search → Offers → Menu → Cart → Address → Results (a) Design B (b) Design A
39. 39.Which colour pair is hard to read? (a) light grey on white (b) dark blue on white (c) white on dark green (d) black on yellow
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

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