App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 698 · 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 can hold many values in order? (a) a button (b) a switch (c) a list (d) a single number
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap the Chat tab
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
4. 4.True or false: whether users get lost is about UI (the look). (a) True (b) False
5. 5.True or false: a final design looks like the real app. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Body text: 17 px
   Footer: 21 px
   Label: 21 px
7. 7.Which colour pair is hard to read? (a) dark blue on white (b) black on yellow (c) black on pale grey (d) pale pink on white
8. 8.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) the phone is lost (c) you send a message (d) the screen turns off
9. 9.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 32 px tall
    Next button: 36 px tall
    Help button: 36 px tall
    Send button: 36 px tall
11. 11.💾 pop() takes off the last item. What does this code show?
    let songs = ["Ocean", "Stars", "Sunrise", "Monsoon"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Monsoon (b) Ocean (c) Stars (d) Sunrise
12. 12.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ list of items ]
    [ Save button ]
    [ top bar ]
    [ search box ]
    [ title text ] (a) top bar (b) Save button (c) list of items (d) search box
13. 13.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 28 px tall
    Next button: 64 px tall
    Send button: 52 px tall (a) Send (b) Help (c) Next
14. 14.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) tap “Sign up” (b) open the app
15. 15.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
16. 16.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
17. 17.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
18. 18.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a 3D printer (c) a microphone (d) pencil and paper
19. 19.True or false: grey text on grey is poor button design. (a) True (b) False
20. 20.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Confirm → Address → Item
    Design B: Home → Cart → Confirm → Address
21. 21.🔍 Which is the odd one out? (a) whether users get lost (b) how easy sign-up is (c) how many taps it takes (d) the theme colours
22. 22.💾 What number does this code show?
    let friends = ["Zoya", "Kabir", "Riya", "Meera"];
    friends.push("Arjun");
    show(friends.length);
23. 23.🔢 In a photo-post flow, which comes first: “write a caption” or “open the camera screen”? (a) write a caption (b) open the camera screen
24. 24.🔘 Our rule: buttons are at least 48 px tall. The Help button is 28 px tall. How many px taller must it be?
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Search
    Design B: Home → Search → Shop → Pens → Confirm (a) Design B (b) Design A
26. 26.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
    [ big picture ]
27. 27.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
28. 28.True or false: a wireframe is a quick sketch. (a) False (b) True
29. 29.💾 Saving data in the cloud lets you ___. (a) never need a password (b) use it on any device (c) shrink the app (d) skip the internet
30. 30.🔍 Which is the odd one out? (a) how users feel after (b) the font size (c) the theme colours (d) the icon shapes
31. 31.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Score card”
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now? (a) Score card (b) Search (c) Profile (d) Home
33. 33.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
34. 34.Which of these fits saving on the phone? (a) a draft you are typing (b) chat messages to friends (c) a class leaderboard (d) a shared to-do list
35. 35.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) open the menu (b) check the cart
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Title: 13 px
    Caption: 25 px (a) Caption (b) Menu (c) Title
37. 37.Which of these fits saving on the phone? (a) your last game level (b) a class leaderboard (c) a shared to-do list (d) chat messages to friends
38. 38.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) pay for the order (c) pick a dish (d) check the cart
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Item → Cart → Offers
    Design B: Home → Shop → Address → Cart → Pens → Confirm (a) Design B (b) Design A
40. 40.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ filter buttons ]
    [ search box ]
    [ Save button ]
    [ tab bar ]
    [ big picture ] (a) Save button (b) tab bar (c) big picture (d) search box

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