App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 40 · 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 of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) has no real colours (d) uses the final pictures
2. 2.🎨 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
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. open “Score card”
   3. open “Score card”
   Which screen are you on now? (a) Score card (b) Lessons (c) Me (d) Quiz
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 52 px tall
   Start button: 52 px tall
   Back button: 44 px tall (a) Done (b) Start (c) Back
5. 5.True or false: the font size is about UX (the experience). (a) True (b) False
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Results → Size
   Design B: Home → Search → Shop → Cart → Menu
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Menu
   Design B: Home → Cart → Search → Item → Shop → Confirm → Size (a) Design A (b) Design B
8. 8.True or false: the icon shapes is about UX (the experience). (a) True (b) False
9. 9.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) a draft you are typing (d) a shared to-do list
10. 10.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) open the app (b) make a password
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Badges”
    Which screen are you on now? (a) Badges (b) Search (c) Home (d) Edit photo
12. 12.True or false: the button colours is about UX (the experience). (a) True (b) False
13. 13.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
14. 14.🎨 UX stands for user ___. (a) express (b) experience (c) example (d) extra
15. 15.💾 What number does this code show?
    let friends = ["Riya", "Zoya", "Aman", "Arjun"];
    friends.push("Kabir");
    show(friends.length);
16. 16.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 52 px tall
    Next button: 64 px tall
    Cancel button: 52 px tall
17. 17.Which of these fits saving in the cloud? (a) a draft you are typing (b) a class leaderboard (c) the sound on/off setting (d) notes to read offline
18. 18.💾 What is a variable? (a) a named box for a value (b) a phone setting (c) a picture (d) a type of screen
19. 19.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) pick an answer (b) see the final score
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to skip testing (c) so each step is clear (d) to add more taps
22. 22.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ filter buttons ]
    [ Save button ]
    [ title text ]
    [ menu icon ]
    [ top bar ] (a) filter buttons (b) Save button (c) top bar (d) title text
23. 23.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ filter buttons ]
    [ menu icon ]
    [ Add button ] (a) filter buttons (b) Add button (c) list of items (d) menu icon
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now? (a) Search (b) Home (c) Profile
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now? (a) Match report (b) Search (c) Friend list (d) Home
26. 26.🎨 UI stands for user ___. (a) input (b) interface (c) internet (d) idea
27. 27.💾 What number does this code show?
    let coins = 4;
    coins = coins - 4;
    coins = coins + 2;
    show(coins);
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 24 px tall
    Next button: 56 px tall
    Done button: 64 px tall
    Send button: 64 px tall (a) Next (b) Send (c) Save (d) Done
29. 29.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
30. 30.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) take the photo (c) add a filter (d) post the photo
31. 31.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
32. 32.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) check the cart (c) pay for the order (d) pick a dish
33. 33.True or false: the screen layout is about UX (the experience). (a) True (b) False
34. 34.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
35. 35.💾 What number does this code show?
    let points = 6;
    points = points - 6;
    points = points + 4;
    show(points);
36. 36.💾 Which can hold many values in order? (a) a list (b) a button (c) a single number (d) a switch
37. 37.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) open the camera screen (b) post the photo
38. 38.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) tap “Start quiz” (b) read a question
39. 39.✏️ What is a wireframe? (a) a simple screen sketch (b) a charging cable (c) a type of password (d) the finished app
40. 40.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ top bar ]
    [ search box ]
    [ title text ]
    [ filter buttons ] (a) filter buttons (b) top bar (c) list of items (d) title text

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