App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 6 · 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.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) dead end (d) shortcut
2. 2.True or false: icons with no meaning is good button design. (a) True (b) False
3. 3.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a clear next step (c) a dead end (d) the same screen
4. 4.Which of these is about UX (the experience)? (a) the font size (b) how many taps it takes (c) the screen layout (d) the theme colours
5. 5.Which of these is true of a final design? (a) uses plain grey boxes (b) is a quick sketch (c) has no real colours (d) shows the real fonts
6. 6.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
7. 7.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
8. 8.💾 What number does this code show?
   let coins = 6;
   coins = coins - 6;
   coins = coins + 2;
   show(coins);
9. 9.💾 Which works with no internet at all? (a) a cloud leaderboard (b) a cloud backup (c) data saved on the phone (d) a shared chat
10. 10.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
11. 11.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) undoes one move
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Footer: 18 px
    Menu: 10 px
    Caption: 21 px
    Label: 21 px (a) Caption (b) Title (c) Footer (d) Menu
14. 14.🔢 In a sign-up flow, which comes first: “enter the code sent” or “tap “Sign up””? (a) enter the code sent (b) tap “Sign up”
15. 15.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
16. 16.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) how fast a task is done (d) the theme colours
17. 17.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
18. 18.True or false: grey text on grey is poor button design. (a) True (b) False
19. 19.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Match report (d) Help page
21. 21.Which of these is about UX (the experience)? (a) the icon shapes (b) whether users get lost (c) the button colours (d) the font size
22. 22.True or false: notes to read offline fits saving on the phone. (a) False (b) True
23. 23.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Menu: 10 px
    Body text: 22 px
    Hint: 18 px (a) Title (b) Body text (c) Hint (d) Menu
25. 25.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) chat messages to friends (d) photos on two devices
26. 26.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
27. 27.True or false: the font size is about UX (the experience). (a) True (b) False
28. 28.Which of these is about UX (the experience)? (a) how users feel after (b) the font size (c) the button colours (d) the icon shapes
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
30. 30.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) the screen turns off (c) the app is closed (d) you send a message
31. 31.🔢 In a food-order flow, what comes right after “pay for the order”? (a) open the menu (b) track the order (c) check the cart (d) pick a dish
32. 32.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
33. 33.🔘 Our rule: buttons are at least 48 px tall. The Next button is 28 px tall. How many px taller must it be?
34. 34.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
35. 35.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
36. 36.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Map”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Menu → Offers → Results
    Design B: Home → Cart → Confirm → Item → Pay → Address → Search
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?

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