App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 683 · 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.🎨 UX stands for user ___. (a) express (b) example (c) experience (d) extra
2. 2.Which of these is about UI (the look)? (a) the theme colours (b) how users feel after (c) how fast a task is done (d) whether users get lost
3. 3.True or false: a wireframe is a quick sketch. (a) False (b) True
4. 4.🎨 UI stands for user ___. (a) internet (b) interface (c) input (d) idea
5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
6. 6.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) see the final score (b) tap “Start quiz” (c) see if it is right (d) read a question
7. 7.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
8. 8.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
9. 9.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Confirm → Cart → Item → Address
   Design B: Home → Pay → Confirm
10. 10.True or false: grey text on grey is good button design. (a) True (b) False
11. 11.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Address → Search → Menu → Shop → Size
    Design B: Home → Address → Offers → Pens (a) Design B (b) Design A
13. 13.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
14. 14.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) tap “Sign up” (b) make a password
15. 15.🔘 Our rule: buttons are at least 48 px tall. The Send button is 32 px tall. How many px taller must it be?
16. 16.True or false: a clear word like Save is poor button design. (a) False (b) True
17. 17.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 0 (c) 10 (d) 2
18. 18.True or false: a final design shows where things go. (a) True (b) False
19. 19.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) has the real colours (d) has no real colours
20. 20.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) photos on two devices (d) a draft you are typing
21. 21.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) strong colour contrast
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 12 px
    Label: 21 px
    Menu: 19 px
    Caption: 16 px (a) Title (b) Body text (c) Label (d) Menu
23. 23.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ title text ]
    [ Add button ]
    [ filter buttons ]
    [ Save button ] (a) filter buttons (b) Save button (c) title text
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Pens → Address → Item → Pay
    Design B: Home → Results → Size → Shop (a) Design A (b) Design B
25. 25.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) only yourself (d) nobody
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Label: 15 px
    Title: 13 px
    Hint: 13 px
27. 27.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) colour as the only clue (d) fast-flashing lights
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🔍 Which is the odd one out? (a) the button colours (b) the icon shapes (c) the font size (d) how users feel after
30. 30.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
31. 31.💾 What number does this code show?
    let score = 4;
    score = score - 1;
    score = score + 1;
    show(score);
32. 32.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
33. 33.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ top bar ]
    [ Add button ]
    [ title text ]
    [ list of items ]
    [ filter buttons ]
    [ Save button ] (a) Add button (b) Save button (c) top bar (d) list of items
34. 34.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) undoes one move
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now? (a) Chat (b) Edit photo (c) Feed (d) Video
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) big touch targets
38. 38.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) uses the final pictures (d) is a quick sketch
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Pens → Item → Offers
    Design B: Home → Pens → Cart → Shop → Menu → Confirm
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Match report”
    Which screen are you on now? (a) Quiz (b) Map (c) Lessons (d) Match report

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