App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 315 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Badges”
   3. tap the Settings tab
   Which screen are you on now? (a) Settings (b) Feed (c) Badges (d) Score card
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
3. 3.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
4. 4.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see if it is right (c) see the final score (d) pick an answer
5. 5.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) how fast a task is done (d) the screen layout
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 16 px
   Title: 9 px
   Hint: 18 px (a) Title (b) Hint (c) Body text
7. 7.Which of these is about UX (the experience)? (a) the font size (b) the screen layout (c) how easy sign-up is (d) the button colours
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 13 px
   Hint: 22 px
   Title: 18 px (a) Label (b) Title (c) Hint
9. 9.True or false: buttons almost touching is good button design. (a) True (b) False
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Quiz (b) Lessons (c) Me (d) Help page
11. 11.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 24 px
    Footer: 17 px
    Title: 28 px (a) Hint (b) Body text (c) Title (d) Footer
13. 13.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) add it to the cart (c) open the menu (d) pay for the order
14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Badges”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🔍 Which is the odd one out? (a) how many taps it takes (b) whether users get lost (c) how fast a task is done (d) the font size
17. 17.💾 Which works with no internet at all? (a) a shared chat (b) a cloud leaderboard (c) data saved on the phone (d) a cloud backup
18. 18.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Meera", "Kabir"];
    show(friends[0]); (a) Meera (b) Kabir (c) Arjun
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Save button is 24 px tall. How many px taller must it be?
20. 20.True or false: a wireframe has no real colours. (a) False (b) True
21. 21.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) open the app (b) enter the code sent (c) see the home screen (d) type name and email
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    Which screen are you on now? (a) Badges (b) Lessons (c) Map (d) Quiz
23. 23.🔢 In a sign-up flow, which comes first: “open the app” or “see the home screen”? (a) open the app (b) see the home screen
24. 24.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) dead end (d) shortcut
25. 25.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
26. 26.🔢 In a food-order flow, which comes first: “track the order” or “open the menu”? (a) track the order (b) open the menu
27. 27.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 64 px tall
    Done button: 44 px tall
    Start button: 52 px tall
    Next button: 56 px tall (a) Send (b) Start (c) Done (d) Next
28. 28.Which of these fits saving on the phone? (a) notes to read offline (b) photos on two devices (c) a class leaderboard (d) a shared to-do list
29. 29.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ search box ]
    [ Save button ]
    [ Add button ]
    [ tab bar ]
    [ title text ]
    [ top bar ] (a) tab bar (b) title text (c) Save button (d) search box
30. 30.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
31. 31.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
32. 32.Which colour pair is hard to read? (a) white on dark green (b) black on yellow (c) white on black (d) dark blue on black
33. 33.🎨 UI stands for user ___. (a) idea (b) internet (c) input (d) interface
34. 34.🔘 Our rule: buttons are at least 48 px tall. The Next button is 28 px tall. How many px taller must it be?
35. 35.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ title text ]
    [ filter buttons ]
    [ tab bar ]
    [ menu icon ]
    [ list of items ]
    [ big picture ] (a) tab bar (b) title text (c) filter buttons (d) list of items
36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) fast-flashing lights
37. 37.💾 Which can hold many values in order? (a) a button (b) a single number (c) a list (d) a switch
38. 38.True or false: how many taps it takes is about UI (the look). (a) False (b) True
39. 39.🎨 Who should you test the UX with? (a) the app icon (b) only yourself (c) nobody (d) real users
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Results → Address → Cart → Search → Pay
    Design B: Home → Cart → Pay → Shop (a) Design A (b) Design B

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