App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 94 · 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 is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
2. 2.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
   [ search box ]
   [ top bar ]
   [ list of items ]
   [ menu icon ]
   [ filter buttons ]
   [ Add button ] (a) Add button (b) menu icon (c) search box (d) list of items
3. 3.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
4. 4.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
5. 5.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) type name and email (c) tap “Sign up” (d) open the app
6. 6.Which of these is true of a final design? (a) looks like the real app (b) uses plain grey boxes (c) shows where things go (d) has no real colours
7. 7.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) the screen layout (d) how easy sign-up is
8. 8.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
9. 9.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
10. 10.Which of these is true of a final design? (a) is a quick sketch (b) has no real colours (c) has the real colours (d) shows where things go
11. 11.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) track the order (b) pay for the order
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Offers → Shop → Pay
    Design B: Home → Pens → Search → Menu → Cart
13. 13.True or false: the button colours is about UX (the experience). (a) True (b) False
14. 14.✏️ Why draw a wireframe before coding? (a) it runs the app (b) changes are quick (c) it adds colours (d) it saves data
15. 15.🔢 In a food-order flow, what comes right after “pick a dish”? (a) pay for the order (b) open the menu (c) track the order (d) add it to the cart
16. 16.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
17. 17.🔀 Why plan the user flow before building? (a) to add more taps (b) so each step is clear (c) to skip testing (d) to hide the buttons
18. 18.🔍 Which is the odd one out? (a) the font size (b) how easy sign-up is (c) the button colours (d) the icon shapes
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Done button is 44 px tall. How many px taller must it be?
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
21. 21.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ title text ]
    [ search box ]
    [ filter buttons ]
    [ list of items ]
    [ Add button ] (a) search box (b) list of items (c) Add button (d) title text
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🔀 What is a user flow? (a) a charging cable (b) a colour theme (c) the path through screens (d) a type of font
24. 24.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) see the home screen (c) open the app (d) type name and email
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Item → Cart → Size → Offers
    Design B: Home → Item → Results → Address → Shop (a) Design B (b) Design A
26. 26.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🔍 Which is the odd one out? (a) whether users get lost (b) how fast a task is done (c) how many taps it takes (d) the icon shapes
29. 29.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses plain grey boxes (d) uses the final pictures
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ filter buttons ]
    [ tab bar ]
    [ list of items ]
    [ menu icon ]
31. 31.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 48 px tall
    Save button: 36 px tall
    Done button: 48 px tall
    Next button: 60 px tall (a) Save (b) Help (c) Next (d) Done
32. 32.💾 What number does this code show?
    let score = 4;
    score = score - 3;
    score = score + 5;
    show(score);
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap Back
    4. open “Map”
    5. open “Friend list”
    Which screen are you on now? (a) Friend list (b) Help page (c) Map (d) Badges
34. 34.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 72 px tall
    Cancel button: 52 px tall
    Start button: 48 px tall
    Done button: 32 px tall (a) Start (b) Done (c) Save (d) Cancel
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now? (a) Map (b) Home (c) Search (d) Profile
36. 36.💾 What number does this code show?
    let points = 8;
    points = points - 6;
    points = points + 3;
    show(points);
37. 37.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Search (c) Match report (d) Edit photo
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.💾 What does this code show? (Positions start at 0.)
    let friends = ["Meera", "Aman", "Kabir"];
    show(friends[1]); (a) Aman (b) Kabir (c) Meera

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