App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 890 · 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.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a microphone (c) pencil and paper (d) a 3D printer
2. 2.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ search box ]
   [ big picture ]
   [ Add button ]
   [ list of items ] (a) list of items (b) search box (c) big picture
3. 3.💾 Which works with no internet at all? (a) a cloud backup (b) a shared chat (c) a cloud leaderboard (d) data saved on the phone
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. open “Edit photo”
   3. tap Back
   4. open “Video”
   Which screen are you on now? (a) Edit photo (b) Lessons (c) Help page (d) Video
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Confirm
   Design B: Home → Menu → Address → Cart → Pens → Search → Results
6. 6.🎨 Who should you test the UX with? (a) nobody (b) only yourself (c) the app icon (d) real users
7. 7.🖼️ How many parts (boxes) does this wireframe have?
   [ Add button ]
   [ list of items ]
   [ filter buttons ]
   [ search box ]
   [ menu icon ]
   [ big picture ]
8. 8.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Address → Pens → Search → Cart
   Design B: Home → Shop → Pay
9. 9.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: a wireframe is a quick sketch. (a) False (b) True
11. 11.💾 pop() takes off the last item. What does this code show?
    let songs = ["Stars", "Kites", "Sunrise", "Rain", "Monsoon"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Kites (b) Rain (c) Stars (d) Sunrise
12. 12.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
13. 13.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
14. 14.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) opens a list of pages (d) goes to the last screen
15. 15.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) hides extra links (d) switches main sections
16. 16.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
17. 17.True or false: a wireframe shows the real fonts. (a) False (b) True
18. 18.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
19. 19.True or false: whether users get lost is about UI (the look). (a) False (b) True
20. 20.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
21. 21.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
22. 22.🎨 UI stands for user ___. (a) idea (b) input (c) interface (d) internet
23. 23.True or false: how users feel after is about UI (the look). (a) True (b) False
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Help page (c) Profile (d) Home
25. 25.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
26. 26.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
27. 27.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) big touch targets
28. 28.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
29. 29.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Menu: 14 px
    Caption: 23 px
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now? (a) Lessons (b) Map (c) Edit photo (d) Video
32. 32.🔢 In a photo-post flow, which comes LAST? (a) open the camera screen (b) post the photo (c) take the photo (d) add a filter
33. 33.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) so each step is clear (d) to skip testing
34. 34.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
35. 35.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
36. 36.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) type name and email (c) make a password (d) tap “Sign up”
39. 39.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
40. 40.✏️ What is a wireframe? (a) a simple screen sketch (b) a type of password (c) a charging cable (d) the finished app

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