App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 203 · 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: how many taps it takes? (a) UX (b) UI
2. 2.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 25 px
   Footer: 14 px
   Body text: 16 px (a) Footer (b) Title (c) Body text
6. 6.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) open the app (b) tap “Sign up” (c) make a password (d) see the home screen
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
8. 8.Which of these is about UX (the experience)? (a) the icon shapes (b) the screen layout (c) the font size (d) whether users get lost
9. 9.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses the final pictures (d) shows where things go
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Offers → Pens → Results
    Design B: Home → Pens → Confirm → Results → Search → Address (a) Design A (b) Design B
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Search tab
    4. open “Map”
    5. tap the Profile tab
    Which screen are you on now? (a) Map (b) Score card (c) Profile (d) Home
12. 12.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) a draft you are typing (d) photos on two devices
13. 13.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
14. 14.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
15. 15.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a random page (c) the same screen (d) a clear next step
16. 16.🎨 UX stands for user ___. (a) example (b) experience (c) extra (d) express
17. 17.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Offers → Item
    Design B: Home → Offers → Item (a) Design B (b) Design A
19. 19.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
20. 20.Which of these is about UX (the experience)? (a) the screen layout (b) the font size (c) the icon shapes (d) how easy sign-up is
21. 21.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
22. 22.💾 What number does this code show?
    let coins = 5;
    coins = coins - 4;
    coins = coins + 5;
    show(coins);
23. 23.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
24. 24.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) chat messages to friends (d) notes to read offline
25. 25.True or false: the icon shapes is about UI (the look). (a) True (b) False
26. 26.Which colour pair is hard to read? (a) yellow on white (b) white on dark green (c) dark blue on white (d) black on yellow
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) sudden loud sounds (d) colour as the only clue
28. 28.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
29. 29.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🔍 Which is the odd one out? (a) the theme colours (b) how many taps it takes (c) how fast a task is done (d) whether users get lost
32. 32.Which colour pair is hard to read? (a) white on black (b) black on yellow (c) black on pale grey (d) light grey on white
33. 33.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) icons with no labels
34. 34.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
35. 35.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
36. 36.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
37. 37.True or false: a wireframe looks like the real app. (a) False (b) True
38. 38.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) tap “Sign up” (b) open the app
39. 39.🔘 Our rule: buttons are at least 48 px tall. The Start button is 32 px tall. How many px taller must it be?
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?

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