App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 662 · 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: the screen layout? (a) UX (b) UI
2. 2.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) the same screen (c) a random page (d) a dead end
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. open “Video”
   3. tap the Search tab
   4. tap the Home tab
   5. open “Match report”
   Which screen are you on now? (a) Home (b) Map (c) Video (d) Match report
4. 4.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) make a password (c) see the home screen (d) enter the code sent
5. 5.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
6. 6.True or false: the screen layout is about UI (the look). (a) True (b) False
7. 7.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) opens a list of pages
8. 8.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
9. 9.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Pay
    Design B: Home → Shop → Pay → Size → Menu
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Shop → Offers
    Design B: Home → Results → Offers → Pens → Menu
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now? (a) Match report (b) Edit photo (c) Help page (d) Home
14. 14.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Quiz tab
    Which screen are you on now? (a) Match report (b) Me (c) Quiz (d) Lessons
16. 16.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
17. 17.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ search box ]
    [ Add button ]
    [ filter buttons ]
    [ menu icon ]
    [ list of items ] (a) Add button (b) search box (c) list of items (d) menu icon
18. 18.Which of these is true of a final design? (a) has the real colours (b) shows where things go (c) uses plain grey boxes (d) is a quick sketch
19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 28 px tall
    Send button: 56 px tall
    Save button: 64 px tall (a) Send (b) Start (c) Save
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Menu → Item → Cart → Confirm → Size
    Design B: Home → Results → Menu → Address → Pens (a) Design B (b) Design A
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Shop → Search → Size → Cart → Menu
    Design B: Home → Menu → Pay
23. 23.True or false: the button colours is about UX (the experience). (a) False (b) True
24. 24.Which of these is true of a wireframe? (a) is a quick sketch (b) shows the real fonts (c) has the real colours (d) uses the final pictures
25. 25.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ filter buttons ]
    [ big picture ]
    [ Add button ]
    [ title text ]
    [ tab bar ]
    [ list of items ] (a) big picture (b) filter buttons (c) list of items (d) title text
26. 26.Which of these is about UI (the look)? (a) how users feel after (b) how fast a task is done (c) whether users get lost (d) the theme colours
27. 27.💾 What number does this code show?
    let points = 7;
    points = points - 1;
    points = points + 4;
    show(points);
28. 28.🔘 Our rule: buttons are at least 48 px tall. The Next button is 28 px tall. How many px taller must it be?
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. tap the Quiz tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.💾 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
31. 31.True or false: a wireframe shows the real fonts. (a) False (b) True
32. 32.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
33. 33.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 56 px tall
    Start button: 64 px tall
    Send button: 52 px tall
34. 34.True or false: space between buttons is poor button design. (a) False (b) True
35. 35.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
36. 36.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
37. 37.✏️ What is a wireframe? (a) a type of password (b) a simple screen sketch (c) a charging cable (d) the finished app
38. 38.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) shows the real fonts (d) uses plain grey boxes
39. 39.True or false: the theme colours is about UX (the experience). (a) True (b) False
40. 40.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ top bar ]
    [ Add button ]
    [ menu icon ]
    [ title text ]
    [ list of items ] (a) tab bar (b) top bar (c) list of items (d) title text

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