App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 675 · 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.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
2. 2.True or false: a clear word like Save is good button design. (a) True (b) False
3. 3.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
4. 4.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
5. 5.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) post the photo (c) add a filter (d) take the photo
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Search tab
   3. tap the Search tab
   4. tap the Profile tab
   5. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
9. 9.🔍 Which is the odd one out? (a) whether users get lost (b) the font size (c) how fast a task is done (d) how many taps it takes
10. 10.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
11. 11.True or false: whether users get lost is about UI (the look). (a) False (b) True
12. 12.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
13. 13.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ search box ]
    [ Save button ]
    [ list of items ]
    [ menu icon ]
    [ title text ]
    [ big picture ] (a) title text (b) menu icon (c) big picture (d) Save button
14. 14.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
15. 15.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
16. 16.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
17. 17.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
18. 18.Which of these is about UX (the experience)? (a) the screen layout (b) how many taps it takes (c) the button colours (d) the theme colours
19. 19.🎨 UI stands for user ___. (a) interface (b) internet (c) input (d) idea
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) pick a dish (c) check the cart (d) track the order
22. 22.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
23. 23.🔢 In a sign-up flow, which comes first: “make a password” or “open the app”? (a) make a password (b) open the app
24. 24.True or false: a big, easy tap area is poor button design. (a) False (b) True
25. 25.💾 What is a variable? (a) a picture (b) a phone setting (c) a named box for a value (d) a type of screen
26. 26.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) how fast a task is done (d) the theme colours
27. 27.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 56 px tall
    Help button: 24 px tall
    Next button: 56 px tall (a) Next (b) Cancel (c) Help
28. 28.Which of these is true of a wireframe? (a) looks like the real app (b) has no real colours (c) has the real colours (d) uses the final pictures
29. 29.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Cart
    Design B: Home → Cart → Confirm → Size → Shop → Results → Search
30. 30.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) uses plain grey boxes (d) shows the real fonts
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Item
    Design B: Home → Results → Menu → Shop (a) Design A (b) Design B
32. 32.🔘 Our rule: buttons are at least 48 px tall. The Help button is 20 px tall. How many px taller must it be?
33. 33.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Shop
    Design B: Home → Confirm → Cart → Search (a) Design A (b) Design B
35. 35.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Add button ]
    [ list of items ]
    [ big picture ]
    [ filter buttons ]
    [ tab bar ]
    [ top bar ] (a) list of items (b) big picture (c) tab bar (d) Add button
36. 36.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Pens → Offers → Size
    Design B: Home → Size → Pens → Confirm → Shop → Pay
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Pens → Item → Shop → Size
    Design B: Home → Menu → Offers
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Address → Pens → Pay
    Design B: Home → Shop → Search (a) Design B (b) Design A
40. 40.Which of these is about UX (the experience)? (a) the icon shapes (b) the theme colours (c) how fast a task is done (d) the button colours

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