App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 935 · 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.💾 Which works with no internet at all? (a) data saved on the phone (b) a shared chat (c) a cloud backup (d) a cloud leaderboard
2. 2.True or false: a clear word like Save is poor button design. (a) True (b) False
3. 3.Which of these is true of a wireframe? (a) looks like the real app (b) shows where things go (c) shows the real fonts (d) has the real colours
4. 4.🔢 In a food-order flow, what comes right after “pay for the order”? (a) pick a dish (b) add it to the cart (c) track the order (d) open the menu
5. 5.✏️ Why draw a wireframe before coding? (a) it saves data (b) it adds colours (c) it runs the app (d) changes are quick
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Help page”
   3. tap the Search tab
   4. open “Match report”
   Which screen are you on now? (a) Home (b) Match report (c) Search (d) Help page
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
8. 8.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
9. 9.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
10. 10.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) the sound on/off setting (d) chat messages to friends
11. 11.💾 pop() takes off the last item. What does this code show?
    let songs = ["Kites", "Rain", "Sunrise"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Kites (c) Sunrise
12. 12.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 40 px tall
    Help button: 56 px tall
    Start button: 52 px tall
    Next button: 44 px tall
13. 13.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) pick an answer (c) see the final score (d) see if it is right
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    4. open “Score card”
    5. open “Match report”
    Which screen are you on now? (a) Home (b) Score card (c) Friend list (d) Match report
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Lessons tab
    Which screen are you on now? (a) Video (b) Quiz (c) Me (d) Lessons
16. 16.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ big picture ]
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ menu icon ] (a) search box (b) menu icon (c) tab bar (d) big picture
17. 17.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
18. 18.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) post the photo (c) open the camera screen (d) take the photo
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Home (b) Profile (c) Match report (d) Search
20. 20.🔍 Which is the odd one out? (a) the button colours (b) the theme colours (c) the icon shapes (d) how easy sign-up is
21. 21.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.💾 What number does this code show?
    let notes = ["Sports", "Hindi"];
    notes.push("Maths");
    show(notes.length);
24. 24.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
25. 25.🔢 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
26. 26.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) captions on videos
27. 27.True or false: strong colour contrast is good button design. (a) True (b) False
28. 28.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ Save button ]
    [ filter buttons ]
    [ big picture ] (a) Save button (b) filter buttons (c) big picture (d) menu icon
29. 29.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) make a password (c) type name and email (d) open the app
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 14 px
    Title: 26 px (a) Title (b) Body text (c) Footer
31. 31.🔍 Which is the odd one out? (a) the font size (b) how fast a task is done (c) how easy sign-up is (d) whether users get lost
32. 32.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 2 (c) 0 (d) 10
33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
34. 34.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
35. 35.True or false: the screen layout is about UI (the look). (a) True (b) False
36. 36.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Shop → Results
    Design B: Home → Size → Item → Pens → Address → Search (a) Design A (b) Design B
37. 37.🔢 In a photo-post flow, which comes first: “post the photo” or “open the camera screen”? (a) post the photo (b) open the camera screen
38. 38.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
39. 39.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) the font size (d) how easy sign-up is
40. 40.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch

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