App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 739 · 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 colour pair is easy to read? (a) yellow on white (b) light grey on white (c) white on black (d) pale pink on white
2. 2.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 52 px tall
   Cancel button: 24 px tall
   Back button: 68 px tall (a) Start (b) Cancel (c) Back
3. 3.🔢 In a sign-up flow, which comes first: “see the home screen” or “make a password”? (a) see the home screen (b) make a password
4. 4.True or false: space between buttons is good button design. (a) False (b) True
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Map”
   3. tap Back
   4. open “Friend list”
   5. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
6. 6.True or false: a class leaderboard fits saving on the phone. (a) False (b) True
7. 7.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ Add button ]
   [ menu icon ]
   [ search box ]
   [ list of items ]
   [ tab bar ]
   [ title text ] (a) list of items (b) menu icon (c) tab bar (d) title text
8. 8.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
9. 9.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Footer: 12 px
    Menu: 19 px
    Caption: 17 px
    Label: 24 px
11. 11.Which of these is true of a final design? (a) shows where things go (b) uses plain grey boxes (c) is a quick sketch (d) shows the real fonts
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
13. 13.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.💾 Which works with no internet at all? (a) a cloud backup (b) a shared chat (c) data saved on the phone (d) a cloud leaderboard
15. 15.Which of these is about UI (the look)? (a) how users feel after (b) the button colours (c) how easy sign-up is (d) how fast a task is done
16. 16.True or false: a final design uses plain grey boxes. (a) False (b) True
17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ search box ]
    [ Add button ]
    [ list of items ]
    [ Save button ]
19. 19.True or false: how users feel after is about UX (the experience). (a) False (b) True
20. 20.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Pens → Offers → Size
    Design B: Home → Offers → Shop → Menu → Confirm → Size → Results (a) Design B (b) Design A
21. 21.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
22. 22.🔢 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
23. 23.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ top bar ]
    [ big picture ]
    [ filter buttons ]
    [ Save button ]
    [ list of items ] (a) Save button (b) filter buttons (c) list of items (d) top bar
24. 24.Which colour pair is hard to read? (a) red on green (b) dark blue on white (c) black on yellow (d) white on black
25. 25.Which of these is true of a wireframe? (a) uses the final pictures (b) is a quick sketch (c) shows the real fonts (d) has the real colours
26. 26.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
27. 27.Which of these is about UX (the experience)? (a) the screen layout (b) the theme colours (c) the icon shapes (d) how fast a task is done
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Address
    Design B: Home → Size → Shop → Address (a) Design A (b) Design B
29. 29.💾 What does this code show? (Positions start at 0.)
    let friends = ["Riya", "Meera", "Arjun", "Kabir"];
    show(friends[1]); (a) Meera (b) Arjun (c) Kabir (d) Riya
30. 30.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
31. 31.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) black on pale grey
32. 32.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) track the order (d) check the cart
33. 33.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Menu: 10 px
    Caption: 28 px
    Title: 28 px (a) Title (b) Menu (c) Footer (d) Caption
35. 35.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
36. 36.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) shows where things go (d) has the real colours
37. 37.Which of these is true of a wireframe? (a) shows the real fonts (b) shows where things go (c) uses the final pictures (d) looks like the real app
38. 38.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) pick an answer (b) tap “Start quiz”
39. 39.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
40. 40.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ Save button ]
    [ big picture ]
    [ top bar ]
    [ Add button ]
    [ title text ] (a) top bar (b) big picture (c) title text (d) Save button

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