App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 691 · 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.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.🔘 Our rule: buttons are at least 48 px tall. The Save button is 32 px tall. How many px taller must it be?
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
5. 5.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) add a filter (c) open the camera screen (d) take the photo
6. 6.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ menu icon ]
   [ top bar ]
   [ Save button ]
   [ filter buttons ] (a) menu icon (b) top bar (c) Save button (d) filter buttons
7. 7.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
8. 8.Which of these is about UI (the look)? (a) the font size (b) how easy sign-up is (c) whether users get lost (d) how many taps it takes
9. 9.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
10. 10.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
11. 11.💾 What does this code show? (Positions start at 0.)
    let friends = ["Zoya", "Arjun", "Kabir", "Meera", "Riya"];
    show(friends[1]); (a) Zoya (b) Kabir (c) Meera (d) Arjun
12. 12.Which colour pair is easy to read? (a) pale pink on white (b) light grey on white (c) black on pale grey (d) yellow on white
13. 13.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ title text ]
    [ tab bar ]
    [ Save button ]
    [ filter buttons ]
    [ top bar ] (a) title text (b) Save button (c) tab bar (d) top bar
14. 14.🔢 In a food-order flow, which comes LAST? (a) track the order (b) add it to the cart (c) check the cart (d) pay for the order
15. 15.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
16. 16.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
17. 17.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ tab bar ]
    [ list of items ]
    [ filter buttons ]
    [ top bar ]
    [ title text ] (a) top bar (b) title text (c) tab bar (d) filter buttons
18. 18.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Send button: 52 px tall
    Next button: 36 px tall
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Done button is 40 px tall. How many px taller must it be?
20. 20.🔢 In a sign-up flow, which comes first: “make a password” or “see the home screen”? (a) see the home screen (b) make a password
21. 21.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ big picture ]
    [ list of items ]
    [ filter buttons ] (a) filter buttons (b) list of items (c) search box (d) big picture
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) text that can grow (c) icons with no labels (d) tiny tap areas
23. 23.💾 What is a variable? (a) a type of screen (b) a phone setting (c) a named box for a value (d) a picture
24. 24.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Item
    Design B: Home → Confirm → Results → Address → Pay → Pens (a) Design A (b) Design B
26. 26.Which of these fits saving on the phone? (a) your last game level (b) a shared to-do list (c) a class leaderboard (d) chat messages to friends
27. 27.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 60 px tall
    Help button: 64 px tall
    Next button: 60 px tall
28. 28.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) hides extra links
29. 29.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
30. 30.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
31. 31.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) chat messages to friends (d) your last game level
32. 32.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
33. 33.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now? (a) Search (b) Friend list (c) Match report (d) Home
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 12 px
    Body text: 17 px (a) Menu (b) Body text (c) Title
36. 36.🔢 In a quiz-app flow, which comes first: “read a question” or “pick an answer”? (a) read a question (b) pick an answer
37. 37.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) fast-flashing lights
38. 38.🔘 Our rule: buttons are at least 48 px tall. The Help button is 24 px tall. How many px taller must it be?
39. 39.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ title text ]
    [ top bar ]
    [ Save button ]
    [ list of items ] (a) list of items (b) Save button (c) title text
40. 40.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) it saves data (d) changes are quick

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