App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 485 · 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, which comes LAST? (a) pick an answer (b) read a question (c) see the final score (d) tap “Start quiz”
2. 2.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
3. 3.🎨 UX stands for user ___. (a) express (b) experience (c) extra (d) example
4. 4.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) see the final score (c) pick an answer (d) read a question
5. 5.True or false: a clear word like Save is good button design. (a) False (b) True
6. 6.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) a shared to-do list (d) photos on two devices
7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. open “Score card”
   3. tap the Settings tab
   4. tap the Settings tab
   5. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) shows 3 to 5 icons
9. 9.💾 What number does this code show?
   let notes = ["Science", "Hindi", "Sports"];
   notes.push("Music");
   notes.push("Art");
   show(notes.length);
10. 10.True or false: a wireframe uses the final pictures. (a) False (b) True
11. 11.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
12. 12.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
13. 13.💾 pop() takes off the last item. What does this code show?
    let notes = ["Art", "Maths", "Sports", "Music", "Science"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Music (b) Sports (c) Maths (d) Art
14. 14.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) see if it is right (c) tap “Start quiz” (d) see the final score
15. 15.Which of these is about UX (the experience)? (a) whether users get lost (b) the font size (c) the icon shapes (d) the button colours
16. 16.💾 What does this code show? (Positions start at 0.)
    let friends = ["Riya", "Zoya", "Arjun"];
    show(friends[1]); (a) Zoya (b) Arjun (c) Riya
17. 17.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
18. 18.✏️ What is a wireframe? (a) a simple screen sketch (b) a charging cable (c) the finished app (d) a type of password
19. 19.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 44 px tall
    Done button: 64 px tall
    Send button: 36 px tall
    Save button: 36 px tall
20. 20.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) tap “Sign up” (b) make a password
21. 21.True or false: how users feel after is about UX (the experience). (a) False (b) True
22. 22.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) make a password (c) see the home screen (d) open the app
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Chat tab
    4. open “Badges”
    Which screen are you on now? (a) Feed (b) Help page (c) Chat (d) Badges
24. 24.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 24 px tall
    Save button: 52 px tall
    Cancel button: 68 px tall (a) Save (b) Start (c) Cancel
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Footer: 9 px
    Label: 23 px
    Body text: 20 px (a) Body text (b) Title (c) Footer (d) Label
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 15 px
    Label: 14 px
27. 27.True or false: icons with no meaning is good button design. (a) False (b) True
28. 28.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Kabir", "Aman"];
    show(friends[0]); (a) Aman (b) Kabir (c) Arjun
29. 29.💾 What number does this code show?
    let friends = ["Riya", "Arjun", "Meera", "Aman"];
    friends.push("Kabir");
    show(friends.length);
30. 30.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) nobody (d) only yourself
31. 31.🔢 In a quiz-app flow, which comes first: “see if it is right” or “pick an answer”? (a) see if it is right (b) pick an answer
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Item → Offers → Menu → Confirm → Search
    Design B: Home → Item → Pens → Offers → Menu → Search (a) Design A (b) Design B
33. 33.🔘 Our rule: buttons are at least 48 px tall. The Help button is 44 px tall. How many px taller must it be?
34. 34.True or false: the icon shapes is about UI (the look). (a) True (b) False
35. 35.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
36. 36.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
37. 37.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Shop → Size
    Design B: Home → Pay → Size → Address → Confirm (a) Design A (b) Design B
39. 39.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Label: 13 px
    Hint: 12 px
    Menu: 18 px

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