App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 12 · 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.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
2. 2.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) post the photo (b) open the camera screen
3. 3.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
4. 4.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
5. 5.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
6. 6.🔢 In a food-order flow, which comes first: “add it to the cart” or “pay for the order”? (a) pay for the order (b) add it to the cart
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. open “Edit photo”
   3. tap Back
   4. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
9. 9.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
10. 10.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ list of items ]
    [ search box ]
    [ filter buttons ]
    [ tab bar ]
    [ Add button ] (a) Add button (b) list of items (c) filter buttons (d) search box
11. 11.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
12. 12.Which colour pair is easy to read? (a) black on yellow (b) dark blue on black (c) light grey on white (d) red on green
13. 13.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Title: 24 px
    Label: 12 px
    Hint: 19 px
    Footer: 19 px
16. 16.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
17. 17.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Menu → Search
    Design B: Home → Offers → Search → Size → Cart → Address → Pens
19. 19.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) add it to the cart (b) pick a dish
20. 20.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now? (a) Badges (b) Map (c) Edit photo (d) Home
22. 22.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 40 px tall
    Help button: 32 px tall
    Send button: 56 px tall
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Label: 22 px
    Body text: 25 px
    Menu: 28 px
    Title: 25 px (a) Label (b) Footer (c) Body text (d) Menu
24. 24.💾 What number does this code show?
    let songs = ["Sunrise", "Rain"];
    songs.push("Monsoon");
    show(songs.length);
25. 25.💾 What number does this code show?
    let score = 5;
    score = score - 5;
    score = score + 4;
    show(score);
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Friend list”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.💾 What number does this code show?
    let notes = ["Hindi", "Art", "Sports", "Maths"];
    notes.push("Music");
    show(notes.length);
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Feed (b) Edit photo (c) Score card (d) Settings
29. 29.True or false: a big, easy tap area is poor button design. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Menu: 15 px
    Label: 18 px
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Video”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Video (d) Score card
32. 32.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
34. 34.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 36 px tall
    Help button: 36 px tall
    Next button: 60 px tall
    Start button: 52 px tall
35. 35.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) tap “Sign up” (c) enter the code sent (d) open the app
36. 36.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
37. 37.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
38. 38.True or false: the button colours is about UI (the look). (a) False (b) True
39. 39.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
40. 40.True or false: how users feel after is about UX (the experience). (a) False (b) True

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