App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 992 · 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 photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Score card”
   3. open “Badges”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🔢 In a photo-post flow, which comes first: “take the photo” or “write a caption”? (a) take the photo (b) write a caption
5. 5.True or false: a class leaderboard fits saving on the phone. (a) False (b) True
6. 6.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) type name and email (c) enter the code sent (d) make a password
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Offers → Confirm → Item
   Design B: Home → Size → Pens → Search → Cart → Offers (a) Design A (b) Design B
8. 8.Which colour pair is easy to read? (a) black on yellow (b) light grey on white (c) pale pink on white (d) red on green
9. 9.🎨 Who should you test the UX with? (a) nobody (b) only yourself (c) the app icon (d) real users
10. 10.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Search → Offers
    Design B: Home → Results → Cart → Offers → Pay
12. 12.🔀 Why plan the user flow before building? (a) to skip testing (b) to hide the buttons (c) to add more taps (d) so each step is clear
13. 13.True or false: a wireframe shows where things go. (a) True (b) False
14. 14.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
15. 15.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ big picture ]
    [ list of items ]
    [ title text ]
    [ menu icon ]
    [ filter buttons ] (a) title text (b) filter buttons (c) big picture (d) menu icon
16. 16.True or false: space between buttons is poor button design. (a) True (b) False
17. 17.Which of these is true of a final design? (a) shows the real fonts (b) shows where things go (c) is a quick sketch (d) uses plain grey boxes
18. 18.🔘 Our rule: buttons are at least 48 px tall. The Send button is 44 px tall. How many px taller must it be?
19. 19.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
20. 20.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Results → Menu → Confirm
    Design B: Home → Size → Offers → Search → Menu → Results
21. 21.🔍 Which is the odd one out? (a) the button colours (b) whether users get lost (c) the screen layout (d) the icon shapes
22. 22.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a microphone (c) a phone case (d) a 3D printer
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
24. 24.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ big picture ]
    [ menu icon ]
    [ top bar ]
    [ Save button ]
    [ search box ]
    [ tab bar ] (a) big picture (b) top bar (c) menu icon (d) search box
25. 25.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 48 px tall
    Back button: 24 px tall
    Done button: 56 px tall (a) Done (b) Help (c) Back
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) big touch targets (d) colour as the only clue
27. 27.True or false: photos on two devices fits saving on the phone. (a) True (b) False
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now? (a) Map (b) Chat (c) Settings (d) Feed
29. 29.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) read a question (c) pick an answer (d) see the final score
30. 30.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
31. 31.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
32. 32.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) check the cart (b) open the menu
33. 33.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
34. 34.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) post the photo (c) take the photo (d) add a filter
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
36. 36.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ search box ]
    [ tab bar ]
    [ filter buttons ]
    [ Add button ] (a) search box (b) filter buttons (c) Add button
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) text that can grow (d) labels on every icon
38. 38.💾 pop() takes off the last item. What does this code show?
    let songs = ["Rain", "Stars", "Kites"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Kites (b) Stars (c) Rain
39. 39.True or false: how many taps it takes is about UI (the look). (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Body text: 17 px
    Title: 14 px
    Caption: 22 px
    Menu: 20 px (a) Label (b) Caption (c) Body text (d) Title

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