App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 585 · 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 part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
2. 2.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
3. 3.Which of these fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) chat messages to friends (d) notes to read offline
4. 4.💾 What number does this code show?
   let friends = ["Kabir", "Aman", "Riya", "Arjun"];
   friends.push("Meera");
   show(friends.length);
5. 5.Which colour pair is easy to read? (a) black on pale grey (b) dark blue on black (c) light grey on white (d) pale pink on white
6. 6.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
7. 7.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Done button: 40 px tall
   Back button: 36 px tall
   Help button: 52 px tall
8. 8.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 18 px
   Footer: 17 px
   Caption: 19 px
   Body text: 20 px
   Label: 10 px
10. 10.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ filter buttons ]
    [ menu icon ]
    [ Add button ]
    [ top bar ]
    [ big picture ]
    [ search box ] (a) filter buttons (b) search box (c) top bar (d) Add button
11. 11.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ Save button ]
    [ title text ]
    [ big picture ]
    [ search box ]
    [ list of items ]
13. 13.🔀 What is a user flow? (a) the path through screens (b) a type of font (c) a charging cable (d) a colour theme
14. 14.🔢 In a sign-up flow, which comes first: “type name and email” or “make a password”? (a) type name and email (b) make a password
15. 15.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a clear next step (d) a random page
16. 16.🔀 Why plan the user flow before building? (a) to hide the buttons (b) so each step is clear (c) to skip testing (d) to add more taps
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Item → Pay → Offers → Shop
    Design B: Home → Pens → Offers → Cart → Item → Size
18. 18.💾 What number does this code show?
    let notes = ["Maths", "Sports", "Art", "Hindi"];
    notes.push("Science");
    show(notes.length);
19. 19.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 60 px tall
    Save button: 60 px tall
    Next button: 64 px tall
    Back button: 24 px tall (a) Save (b) Next (c) Back (d) Done
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now? (a) Home (b) Search (c) Match report (d) Help page
22. 22.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) type name and email (c) enter the code sent (d) see the home screen
23. 23.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ tab bar ]
    [ menu icon ]
    [ big picture ]
    [ top bar ]
    [ title text ]
24. 24.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) the phone is lost (c) you send a message (d) the screen turns off
25. 25.True or false: a wireframe shows the real fonts. (a) True (b) False
26. 26.Which colour pair is hard to read? (a) white on black (b) black on yellow (c) dark blue on white (d) red on green
27. 27.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) the font size (b) whether users get lost (c) how easy sign-up is (d) how many taps it takes
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now? (a) Help page (b) Quiz (c) Lessons (d) Video
30. 30.Which of these is about UX (the experience)? (a) the icon shapes (b) whether users get lost (c) the font size (d) the button colours
31. 31.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) tap “Start quiz” (b) read a question
32. 32.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) perfect UX (c) good UI but poor UX (d) good UX but poor UI
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) strong colour contrast
34. 34.💾 In most code, the first item of a list is at position ___. (a) 0 (b) 10 (c) 1 (d) 2
35. 35.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) take the photo (c) add a filter (d) post the photo
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Footer: 10 px
    Title: 22 px (a) Footer (b) Title (c) Menu
37. 37.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) take the photo (c) post the photo (d) write a caption
38. 38.True or false: a wireframe has no real colours. (a) True (b) False
39. 39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ filter buttons ]
    [ Save button ]
    [ Add button ]
    [ list of items ]
    [ big picture ] (a) list of items (b) filter buttons (c) big picture (d) Save button
40. 40.💾 What number does this code show?
    let lives = 4;
    lives = lives - 2;
    lives = lives + 2;
    show(lives);

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