App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 1 · 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 this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ tab bar ]
   [ menu icon ]
   [ filter buttons ] (a) tab bar (b) menu icon (c) list of items (d) filter buttons
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. open “Match report”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Edit photo”
   3. tap the Quiz tab
   4. tap the Me tab
   5. open “Friend list”
   Which screen are you on now? (a) Friend list (b) Edit photo (c) Lessons (d) Match report
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Address → Shop → Item → Pens
   Design B: Home → Search → Pay (a) Design A (b) Design B
5. 5.Which colour pair is hard to read? (a) white on dark green (b) white on black (c) black on pale grey (d) dark blue on black
6. 6.💾 What is a variable? (a) a named box for a value (b) a phone setting (c) a picture (d) a type of screen
7. 7.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) no UI at all (c) perfect UX (d) good UX but poor UI
8. 8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Shop → Pens
   Design B: Home → Item → Pens → Results → Size (a) Design B (b) Design A
9. 9.💾 What number does this code show?
   let friends = ["Arjun", "Meera", "Zoya", "Aman"];
   friends.push("Riya");
   friends.push("Kabir");
   show(friends.length);
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) take the photo (b) open the camera screen
12. 12.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
13. 13.Which colour pair is easy to read? (a) black on yellow (b) pale pink on white (c) red on green (d) dark blue on black
14. 14.🔍 Which is the odd one out? (a) how easy sign-up is (b) the font size (c) whether users get lost (d) how users feel after
15. 15.💾 What does this code show? (Positions start at 0.)
    let notes = ["Maths", "Music", "Sports", "Science"];
    show(notes[2]); (a) Maths (b) Sports (c) Science (d) Music
16. 16.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) see the final score (c) read a question (d) see if it is right
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
18. 18.True or false: buttons almost touching is good button design. (a) True (b) False
19. 19.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) tap “Start quiz” (c) pick an answer (d) see the final score
20. 20.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) whether users get lost (d) the theme colours
21. 21.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) shortcut (c) dead end (d) tab bar
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
24. 24.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) red on green (d) white on black
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Score card”
    4. open “Badges”
    Which screen are you on now? (a) Score card (b) Home (c) Edit photo (d) Badges
26. 26.🔢 In a sign-up flow, which comes first: “make a password” or “enter the code sent”? (a) enter the code sent (b) make a password
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Confirm → Offers → Cart
    Design B: Home → Results → Menu → Shop → Address → Search → Pens
28. 28.Which of these is about UI (the look)? (a) the icon shapes (b) whether users get lost (c) how easy sign-up is (d) how fast a task is done
29. 29.💾 What number does this code show?
    let lives = 9;
    lives = lives - 6;
    lives = lives + 1;
    show(lives);
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Shop → Menu → Results → Pens → Pay
    Design B: Home → Pens → Menu → Shop → Item
31. 31.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
32. 32.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now? (a) Quiz (b) Help page (c) Lessons (d) Friend list
34. 34.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
35. 35.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) sits at the bottom
36. 36.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) captions on videos
37. 37.💾 pop() takes off the last item. What does this code show?
    let notes = ["Music", "Hindi", "Maths", "Sports", "Science"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Sports (c) Hindi (d) Music
38. 38.🔢 In a quiz-app flow, which comes first: “pick an answer” or “read a question”? (a) pick an answer (b) read a question
39. 39.True or false: a wireframe uses the final pictures. (a) True (b) False
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Badges”
    Which screen are you on now? (a) Edit photo (b) Feed (c) Badges (d) Match report

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