App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 535 · 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.True or false: how easy sign-up is is about UX (the experience). (a) False (b) True
2. 2.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
3. 3.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
4. 4.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 0 (c) 1 (d) 10
5. 5.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) see the home screen (c) enter the code sent (d) tap “Sign up”
6. 6.Which of these fits saving in the cloud? (a) chat messages to friends (b) a draft you are typing (c) the sound on/off setting (d) notes to read offline
7. 7.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) the same screen (d) a dead end
8. 8.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
9. 9.🔘 Our rule: buttons are at least 48 px tall. The Next button is 32 px tall. How many px taller must it be?
10. 10.True or false: a wireframe is a quick sketch. (a) False (b) True
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now? (a) Quiz (b) Friend list (c) Lessons (d) Me
12. 12.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
13. 13.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ Add button ]
    [ top bar ]
    [ search box ]
14. 14.True or false: a final design uses the final pictures. (a) False (b) True
15. 15.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
16. 16.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) a simple screen sketch (d) the finished app
17. 17.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) open the camera screen (c) write a caption (d) post the photo
18. 18.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) see the final score (b) tap “Start quiz”
19. 19.🔢 In a sign-up flow, which comes LAST? (a) enter the code sent (b) see the home screen (c) tap “Sign up” (d) type name and email
20. 20.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Offers → Shop → Search
    Design B: Home → Search → Address → Pens → Menu → Pay
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.Which of these is about UI (the look)? (a) the theme colours (b) how many taps it takes (c) how fast a task is done (d) how easy sign-up is
24. 24.True or false: a final design uses plain grey boxes. (a) True (b) False
25. 25.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
26. 26.💾 What does this code show? (Positions start at 0.)
    let songs = ["Rain", "Monsoon", "Stars"];
    show(songs[1]); (a) Rain (b) Stars (c) Monsoon
27. 27.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ big picture ]
    [ tab bar ]
    [ list of items ]
    [ top bar ]
    [ menu icon ]
    [ Add button ] (a) Add button (b) tab bar (c) menu icon (d) list of items
28. 28.True or false: icons with no meaning is good button design. (a) True (b) False
29. 29.🎨 UX stands for user ___. (a) experience (b) extra (c) express (d) example
30. 30.💾 What number does this code show?
    let score = 4;
    score = score - 4;
    score = score + 5;
    show(score);
31. 31.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
32. 32.💾 What number does this code show?
    let score = 7;
    score = score - 2;
    score = score + 4;
    show(score);
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    5. open “Badges”
    Which screen are you on now? (a) Edit photo (b) Badges (c) Video (d) Score card
34. 34.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. open “Video”
    Which screen are you on now? (a) Video (b) Feed (c) Badges (d) Chat
36. 36.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) labels on every icon
38. 38.Which of these is true of a final design? (a) has no real colours (b) is a quick sketch (c) shows where things go (d) uses the final pictures
39. 39.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
40. 40.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design

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