App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 898 · 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.🔘 Our rule: buttons are at least 48 px tall. The Start button is 24 px tall. How many px taller must it be?
2. 2.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
3. 3.True or false: a final design uses plain grey boxes. (a) False (b) True
4. 4.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
6. 6.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
7. 7.Which of these is about UI (the look)? (a) how users feel after (b) how fast a task is done (c) the theme colours (d) how easy sign-up is
8. 8.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) changes are quick (d) it saves data
9. 9.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
10. 10.Which of these fits saving in the cloud? (a) your last game level (b) the sound on/off setting (c) a draft you are typing (d) a shared to-do list
11. 11.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
12. 12.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
13. 13.True or false: your last game level fits saving on the phone. (a) False (b) True
14. 14.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) post the photo (c) open the camera screen (d) add a filter
15. 15.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
16. 16.Which of these is about UX (the experience)? (a) the button colours (b) the theme colours (c) the icon shapes (d) whether users get lost
17. 17.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) uses plain grey boxes (d) uses the final pictures
18. 18.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
19. 19.True or false: space between buttons is good button design. (a) False (b) True
20. 20.Which of these is about UI (the look)? (a) how many taps it takes (b) the button colours (c) how users feel after (d) how fast a task is done
21. 21.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) how fast a task is done (d) the icon shapes
22. 22.Which of these is about UI (the look)? (a) how easy sign-up is (b) how many taps it takes (c) how users feel after (d) the font size
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Done button is 28 px tall. How many px taller must it be?
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Address → Search → Results → Cart → Item → Pens
    Design B: Home → Results → Address → Item → Cart → Search
26. 26.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
27. 27.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Results → Pens → Menu → Shop → Address
    Design B: Home → Shop → Offers → Size (a) Design A (b) Design B
29. 29.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
30. 30.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a type of password (d) a simple screen sketch
31. 31.True or false: the screen layout is about UI (the look). (a) False (b) True
32. 32.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Match report (d) Badges
34. 34.🔢 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
35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ big picture ]
    [ top bar ]
    [ list of items ]
    [ title text ]
    [ search box ] (a) top bar (b) title text (c) list of items (d) search box
36. 36.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
37. 37.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
38. 38.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) chat messages to friends (d) a draft you are typing
39. 39.True or false: the button colours is about UX (the experience). (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) the icon shapes (b) the button colours (c) the screen layout (d) how users feel after

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