App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 840 · 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 quiz-app flow, what comes right after “tap “Start quiz””? (a) see the final score (b) pick an answer (c) see if it is right (d) read a question
2. 2.Which of these is about UI (the look)? (a) how many taps it takes (b) whether users get lost (c) the button colours (d) how fast a task is done
3. 3.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) add a filter (c) open the camera screen (d) take the photo
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 56 px tall
   Send button: 28 px tall
   Help button: 72 px tall (a) Done (b) Help (c) Send
5. 5.Which of these is true of a final design? (a) has no real colours (b) shows the real fonts (c) shows where things go (d) is a quick sketch
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 21 px
   Hint: 19 px
   Body text: 11 px
   Footer: 13 px
7. 7.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) make a password (b) open the app (c) tap “Sign up” (d) see the home screen
8. 8.True or false: a class leaderboard fits saving on the phone. (a) True (b) False
9. 9.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
11. 11.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
12. 12.True or false: strong colour contrast is poor button design. (a) True (b) False
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
14. 14.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
15. 15.💾 Which works with no internet at all? (a) a shared chat (b) a cloud backup (c) a cloud leaderboard (d) data saved on the phone
16. 16.True or false: a wireframe shows the real fonts. (a) True (b) False
17. 17.💾 What does this code show? (Positions start at 0.)
    let songs = ["Rain", "Kites", "Stars"];
    show(songs[2]); (a) Stars (b) Kites (c) Rain
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ list of items ]
    [ filter buttons ]
    [ menu icon ]
19. 19.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) tap “Sign up” (c) see the home screen (d) open the app
20. 20.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ filter buttons ]
    [ search box ]
    [ Add button ]
    [ top bar ]
    [ tab bar ] (a) search box (b) Add button (c) Save button (d) tab bar
21. 21.True or false: buttons almost touching is good button design. (a) False (b) True
22. 22.Which of these is about UI (the look)? (a) how many taps it takes (b) how easy sign-up is (c) the font size (d) whether users get lost
23. 23.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) type name and email (b) open the app
24. 24.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it saves data (c) changes are quick (d) it adds colours
25. 25.🎨 UX stands for user ___. (a) experience (b) express (c) example (d) extra
26. 26.🔢 In a quiz-app flow, which comes first: “pick an answer” or “read a question”? (a) pick an answer (b) read a question
27. 27.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) a type of font (d) the path through screens
28. 28.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
29. 29.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) pick a dish (c) add it to the cart (d) pay for the order
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 44 px tall
    Send button: 60 px tall
    Next button: 44 px tall
31. 31.True or false: space between buttons is poor button design. (a) False (b) True
32. 32.True or false: your last game level fits saving in the cloud. (a) False (b) True
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 64 px tall
    Done button: 44 px tall
    Save button: 64 px tall (a) Done (b) Back (c) Save
34. 34.True or false: a wireframe looks like the real app. (a) False (b) True
35. 35.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
36. 36.🔢 In a quiz-app flow, which comes first: “see the final score” or “read a question”? (a) see the final score (b) read a question
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Match report”
    Which screen are you on now? (a) Edit photo (b) Chat (c) Match report (d) Feed
38. 38.🔍 Which is the odd one out? (a) the icon shapes (b) the font size (c) how easy sign-up is (d) the button colours
39. 39.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
40. 40.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon

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