App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 422 · 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.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
2. 2.True or false: a final design uses plain grey boxes. (a) True (b) False
3. 3.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
4. 4.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) pick a dish (c) pay for the order (d) check the cart
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Shop → Address → Item → Cart
   Design B: Home → Pay → Cart
6. 6.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
7. 7.💾 What does this code show? (Positions start at 0.)
   let notes = ["Art", "Maths", "Sports", "Music", "Hindi"];
   show(notes[1]); (a) Sports (b) Music (c) Maths (d) Art
8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
9. 9.True or false: a wireframe shows the real fonts. (a) False (b) True
10. 10.💾 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
11. 11.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) the theme colours (d) how users feel after
12. 12.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
13. 13.True or false: your last game level fits saving in the cloud. (a) True (b) False
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ big picture ]
    [ tab bar ] (a) big picture (b) list of items (c) tab bar (d) filter buttons
15. 15.Which of these fits saving on the phone? (a) a class leaderboard (b) chat messages to friends (c) notes to read offline (d) a shared to-do list
16. 16.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
17. 17.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
18. 18.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
19. 19.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) home screen (c) tab bar (d) dead end
20. 20.Which of these is true of a wireframe? (a) has the real colours (b) has no real colours (c) uses the final pictures (d) shows the real fonts
21. 21.True or false: a big, easy tap area is good button design. (a) True (b) False
22. 22.True or false: a final design uses the final pictures. (a) True (b) False
23. 23.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
24. 24.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ search box ]
    [ Save button ]
    [ menu icon ] (a) Save button (b) search box (c) menu icon (d) tab bar
25. 25.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) write a caption (b) post the photo
26. 26.True or false: a final design is a quick sketch. (a) True (b) False
27. 27.🔢 In a food-order flow, which comes first: “track the order” or “pick a dish”? (a) pick a dish (b) track the order
28. 28.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
29. 29.🔍 Which is the odd one out? (a) the button colours (b) how easy sign-up is (c) the font size (d) the screen layout
30. 30.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
    [ Add button ]
    [ menu icon ]
    [ Save button ] (a) filter buttons (b) Add button (c) top bar (d) Save button
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Caption: 23 px
    Title: 18 px
    Menu: 11 px
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 60 px tall
    Send button: 24 px tall
    Save button: 64 px tall (a) Send (b) Next (c) Save
33. 33.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
34. 34.True or false: strong colour contrast is poor button design. (a) False (b) True
35. 35.Which colour pair is easy to read? (a) light grey on white (b) yellow on white (c) dark blue on black (d) black on yellow
36. 36.🎨 Who should you test the UX with? (a) the app icon (b) nobody (c) only yourself (d) real users
37. 37.🔢 In a food-order flow, which comes LAST? (a) track the order (b) open the menu (c) pay for the order (d) pick a dish
38. 38.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
39. 39.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
40. 40.Which of these is true of a final design? (a) looks like the real app (b) shows where things go (c) is a quick sketch (d) has no real colours

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students