App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 812 · 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 is the odd one out? (a) the font size (b) the button colours (c) how many taps it takes (d) the screen layout
2. 2.🎨 Who should you test the UX with? (a) real users (b) the app icon (c) only yourself (d) nobody
3. 3.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. open “Match report”
   3. tap the Chat tab
   4. tap the Chat tab
   5. open “Edit photo”
   Which screen are you on now? (a) Feed (b) Edit photo (c) Map (d) Match report
5. 5.🔢 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
6. 6.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
7. 7.True or false: a wireframe uses plain grey boxes. (a) False (b) True
8. 8.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) open the camera screen (b) add a filter
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap the Chat tab
   3. open “Help page”
   4. tap Back
   5. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Search → Item → Cart → Address → Menu
    Design B: Home → Results → Pens → Size
11. 11.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Score card (d) Me
13. 13.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now? (a) Home (b) Friend list (c) Score card (d) Search
15. 15.Which of these is true of a wireframe? (a) shows the real fonts (b) has no real colours (c) uses the final pictures (d) has the real colours
16. 16.🔍 Which is the odd one out? (a) the icon shapes (b) how users feel after (c) the font size (d) the screen layout
17. 17.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) check the cart (b) open the menu (c) track the order (d) pick a dish
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Caption: 27 px
    Title: 28 px (a) Menu (b) Caption (c) Title
19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ tab bar ]
    [ filter buttons ]
    [ menu icon ]
    [ list of items ]
    [ search box ]
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.True or false: the button colours is about UI (the look). (a) False (b) True
22. 22.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
23. 23.🔢 In a food-order flow, which comes FIRST? (a) pay for the order (b) open the menu (c) track the order (d) check the cart
24. 24.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
25. 25.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
26. 26.True or false: a final design shows the real fonts. (a) False (b) True
27. 27.True or false: a final design has the real colours. (a) True (b) False
28. 28.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
29. 29.💾 What number does this code show?
    let friends = ["Zoya", "Aman"];
    friends.push("Riya");
    show(friends.length);
30. 30.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
31. 31.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ Save button ]
    [ big picture ]
    [ filter buttons ]
32. 32.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a draft you are typing (c) photos on two devices (d) notes to read offline
35. 35.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
36. 36.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
37. 37.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
38. 38.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 68 px tall
    Next button: 28 px tall
    Help button: 52 px tall (a) Next (b) Help (c) Done
39. 39.💾 What number does this code show?
    let coins = 7;
    coins = coins - 6;
    coins = coins + 2;
    show(coins);
40. 40.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) open the menu (b) check the cart

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students