App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 974 · 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 shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.Which colour pair is easy to read? (a) white on black (b) light grey on white (c) pale pink on white (d) red on green
3. 3.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 24 px tall
   Save button: 60 px tall
   Cancel button: 64 px tall (a) Save (b) Cancel (c) Done
5. 5.💾 What does this code show? (Positions start at 0.)
   let songs = ["Monsoon", "Kites", "Ocean", "Stars"];
   show(songs[3]); (a) Ocean (b) Stars (c) Monsoon (d) Kites
6. 6.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
   [ top bar ]
   [ Save button ]
   [ list of items ]
   [ menu icon ] (a) list of items (b) top bar (c) Save button
7. 7.🔀 Why plan the user flow before building? (a) so each step is clear (b) to hide the buttons (c) to skip testing (d) to add more taps
8. 8.🔍 Which is the odd one out? (a) the font size (b) the theme colours (c) the button colours (d) how many taps it takes
9. 9.True or false: a wireframe shows the real fonts. (a) True (b) False
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    Which screen are you on now? (a) Home (b) Video (c) Search (d) Profile
11. 11.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Confirm → Address → Shop
    Design B: Home → Pay → Results → Menu (a) Design B (b) Design A
12. 12.🔢 In a food-order flow, which comes LAST? (a) open the menu (b) track the order (c) check the cart (d) pick a dish
13. 13.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ tab bar ]
    [ big picture ]
    [ top bar ]
    [ Add button ]
    [ search box ]
    [ menu icon ] (a) top bar (b) tab bar (c) big picture (d) search box
14. 14.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Label: 16 px
    Footer: 14 px
    Title: 10 px
16. 16.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) shows 3 to 5 icons
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) colour as the only clue
18. 18.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
19. 19.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ top bar ]
    [ menu icon ]
    [ search box ]
    [ title text ]
    [ Save button ] (a) search box (b) top bar (c) title text (d) menu icon
20. 20.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) a draft you are typing (d) a class leaderboard
21. 21.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) how easy sign-up is (d) the screen layout
22. 22.🔢 In a food-order flow, which comes first: “open the menu” or “pay for the order”? (a) pay for the order (b) open the menu
23. 23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Pay
    Design B: Home → Address → Results → Size → Confirm → Shop (a) Design B (b) Design A
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap Back
    5. open “Map”
    Which screen are you on now? (a) Feed (b) Badges (c) Map (d) Edit photo
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Shop → Cart → Confirm → Offers → Item
    Design B: Home → Menu → Shop
26. 26.True or false: the font size is about UX (the experience). (a) True (b) False
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) pick a dish (c) open the menu (d) pay for the order
29. 29.💾 What number does this code show?
    let friends = ["Kabir", "Zoya"];
    friends.push("Arjun");
    friends.push("Meera");
    show(friends.length);
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. open “Video”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Video”
    4. open “Badges”
    Which screen are you on now? (a) Quiz (b) Badges (c) Lessons (d) Video
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 68 px tall
    Help button: 68 px tall
    Send button: 56 px tall
    Back button: 40 px tall (a) Start (b) Help (c) Back (d) Send
34. 34.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 64 px tall
    Back button: 44 px tall
    Next button: 64 px tall (a) Back (b) Start (c) Next
35. 35.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) is a quick sketch (d) shows the real fonts
36. 36.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
37. 37.True or false: space between buttons is poor button design. (a) False (b) True
38. 38.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ big picture ]
    [ filter buttons ]
    [ top bar ]
    [ Add button ]
40. 40.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts

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