App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 588 · 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.🔢 In a food-order flow, which comes LAST? (a) track the order (b) pay for the order (c) pick a dish (d) add it to the cart
2. 2.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
3. 3.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
4. 4.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) enter the code sent (b) type name and email (c) open the app (d) make a password
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Help page”
   3. open “Score card”
   4. tap the Home tab
   5. open “Badges”
   Which screen are you on now? (a) Score card (b) Badges (c) Help page (d) Home
6. 6.💾 What number does this code show?
   let coins = 7;
   coins = coins - 3;
   coins = coins + 3;
   show(coins);
7. 7.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
8. 8.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
9. 9.🔢 In a sign-up flow, which comes first: “see the home screen” or “open the app”? (a) open the app (b) see the home screen
10. 10.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
11. 11.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Shop → Pay
    Design B: Home → Size → Shop → Menu → Cart (a) Design A (b) Design B
12. 12.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
13. 13.Which colour pair is hard to read? (a) red on green (b) white on dark green (c) white on black (d) black on yellow
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Search tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Video (b) Badges (c) Edit photo (d) Search
15. 15.🔍 Which is the odd one out? (a) the font size (b) how fast a task is done (c) whether users get lost (d) how many taps it takes
16. 16.True or false: your last game level fits saving on the phone. (a) True (b) False
17. 17.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) a simple screen sketch (d) the finished app
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 44 px tall
    Save button: 48 px tall
    Cancel button: 52 px tall
    Help button: 68 px tall (a) Cancel (b) Help (c) Save (d) Send
20. 20.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
21. 21.True or false: the icon shapes is about UX (the experience). (a) True (b) False
22. 22.True or false: a shared to-do list fits saving in the cloud. (a) False (b) True
23. 23.🔀 What is a user flow? (a) a colour theme (b) a type of font (c) a charging cable (d) the path through screens
24. 24.Which of these is true of a wireframe? (a) shows the real fonts (b) uses plain grey boxes (c) has the real colours (d) looks like the real app
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now? (a) Match report (b) Me (c) Lessons (d) Quiz
26. 26.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ Save button ]
    [ big picture ]
    [ filter buttons ]
    [ title text ]
    [ top bar ]
    [ tab bar ] (a) title text (b) big picture (c) filter buttons (d) top bar
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
28. 28.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Map”
    4. tap the Home tab
    Which screen are you on now? (a) Profile (b) Home (c) Map (d) Search
30. 30.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) dead end (d) shortcut
31. 31.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) opens a list of pages
33. 33.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) pick a dish (b) add it to the cart
34. 34.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
35. 35.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
36. 36.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) never need a password (c) use it on any device (d) shrink the app
37. 37.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
38. 38.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
39. 39.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
40. 40.💾 What number does this code show?
    let points = 5;
    points = points - 1;
    points = points + 5;
    show(points);

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