App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 626 · 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.True or false: buttons almost touching is poor button design. (a) False (b) True
2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap the Me tab
   3. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. open “Match report”
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. open “Score card”
   3. tap Back
   4. open “Badges”
   Which screen are you on now? (a) Score card (b) Search (c) Home (d) Badges
6. 6.Which colour pair is hard to read? (a) white on black (b) black on yellow (c) red on green (d) black on pale grey
7. 7.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
8. 8.🎨 Who should you test the UX with? (a) the app icon (b) nobody (c) only yourself (d) real users
9. 9.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) delete this (c) a closed app (d) a picture goes here
10. 10.Which of these is about UX (the experience)? (a) the font size (b) how fast a task is done (c) the theme colours (d) the screen layout
11. 11.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Results
    Design B: Home → Size → Menu → Search
13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.💾 What does this code show? (Positions start at 0.)
    let notes = ["Maths", "Science", "Art", "Music"];
    show(notes[2]); (a) Music (b) Maths (c) Science (d) Art
16. 16.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “open the app”? (a) tap “Sign up” (b) open the app
17. 17.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ Save button ]
    [ list of items ]
    [ title text ]
    [ Add button ] (a) tab bar (b) title text (c) Save button (d) Add button
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    4. open “Match report”
    Which screen are you on now? (a) Friend list (b) Match report (c) Help page (d) Edit photo
19. 19.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 36 px tall
    Save button: 60 px tall
    Help button: 60 px tall (a) Help (b) Cancel (c) Save
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) tiny tap areas (d) big touch targets
22. 22.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) fast-flashing lights (d) sudden loud sounds
23. 23.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
24. 24.True or false: photos on two devices fits saving on the phone. (a) True (b) False
25. 25.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
26. 26.🎨 UI stands for user ___. (a) internet (b) idea (c) interface (d) input
27. 27.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) check the cart (b) open the menu
28. 28.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) track the order (c) add it to the cart (d) pick a dish
29. 29.True or false: the font size is about UX (the experience). (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) how fast a task is done (b) how users feel after (c) whether users get lost (d) the font size
31. 31.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) write a caption (c) take the photo (d) post the photo
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Cart → Size
    Design B: Home → Pay → Confirm → Shop → Pens → Offers → Address (a) Design A (b) Design B
33. 33.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) see the home screen (c) type name and email (d) make a password
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Title: 21 px
    Menu: 25 px
    Hint: 23 px
    Body text: 28 px (a) Title (b) Menu (c) Hint (d) Footer
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 27 px
    Menu: 14 px
    Title: 23 px
    Body text: 27 px (a) Title (b) Footer (c) Body text (d) Menu
36. 36.True or false: strong colour contrast is poor button design. (a) True (b) False
37. 37.🔢 In a sign-up flow, what comes right after “open the app”? (a) make a password (b) type name and email (c) tap “Sign up” (d) see the home screen
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 10 px
    Menu: 10 px
    Hint: 24 px
39. 39.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
40. 40.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) the path through screens (d) a charging cable

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