App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 991 · 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.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
2. 2.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
3. 3.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
4. 4.Which colour pair is hard to read? (a) red on green (b) dark blue on white (c) black on pale grey (d) black on yellow
5. 5.🔢 In a sign-up flow, which comes first: “open the app” or “type name and email”? (a) type name and email (b) open the app
6. 6.🔢 In a food-order flow, which comes LAST? (a) open the menu (b) add it to the cart (c) check the cart (d) track the order
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 15 px
   Footer: 19 px
   Menu: 21 px
   Label: 19 px
8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
9. 9.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
10. 10.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ top bar ]
    [ list of items ]
    [ search box ]
    [ menu icon ]
    [ title text ]
    [ Save button ] (a) Save button (b) top bar (c) menu icon (d) list of items
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Footer: 19 px
    Hint: 18 px
    Label: 22 px
12. 12.Which of these is about UI (the look)? (a) the screen layout (b) how fast a task is done (c) whether users get lost (d) how easy sign-up is
13. 13.True or false: a final design looks like the real app. (a) True (b) False
14. 14.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 44 px tall. How many px taller must it be?
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Pens
    Design B: Home → Results → Cart → Confirm → Address → Size → Pens
16. 16.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 52 px tall
    Done button: 36 px tall
    Help button: 72 px tall (a) Send (b) Help (c) Done
17. 17.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
18. 18.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a dead end (c) a clear next step (d) the same screen
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Search tab
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now? (a) Badges (b) Edit photo (c) Friend list (d) Home
20. 20.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ title text ]
    [ list of items ]
    [ big picture ]
    [ top bar ] (a) list of items (b) title text (c) big picture
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Edit photo”
    Which screen are you on now? (a) Feed (b) Friend list (c) Video (d) Edit photo
22. 22.True or false: whether users get lost is about UX (the experience). (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
24. 24.Which colour pair is easy to read? (a) pale pink on white (b) dark blue on black (c) dark blue on white (d) red on green
25. 25.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) open the app (c) enter the code sent (d) make a password
26. 26.💾 What number does this code show?
    let friends = ["Riya", "Meera"];
    friends.push("Aman");
    friends.push("Arjun");
    show(friends.length);
27. 27.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Title: 22 px
    Footer: 13 px
    Menu: 27 px
    Hint: 18 px (a) Footer (b) Label (c) Title (d) Menu
29. 29.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Search → Size → Cart → Pay
    Design B: Home → Shop → Search → Results → Size
31. 31.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
32. 32.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ search box ]
    [ filter buttons ]
    [ Save button ]
    [ menu icon ]
    [ tab bar ]
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Search → Address → Menu → Shop
    Design B: Home → Offers → Pens → Cart → Pay → Address
35. 35.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 60 px tall
    Cancel button: 60 px tall
    Help button: 56 px tall
36. 36.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) shrink the app (c) skip the internet (d) never need a password
37. 37.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) read a question (c) see the final score (d) see if it is right
38. 38.True or false: the theme colours is about UI (the look). (a) True (b) False
39. 39.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the app is closed (c) the phone is lost (d) you send a message
40. 40.✏️ Do wireframes usually show the final colours? (a) Yes (b) No

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