App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 41 · 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: how users feel after is about UI (the look). (a) True (b) False
2. 2.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) a phone case (d) pencil and paper
3. 3.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
4. 4.True or false: a final design shows where things go. (a) False (b) True
5. 5.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) text that can grow
6. 6.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
7. 7.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) strong colour contrast
8. 8.Which colour pair is easy to read? (a) dark blue on black (b) light grey on white (c) yellow on white (d) black on pale grey
9. 9.🎨 UX stands for user ___. (a) experience (b) example (c) extra (d) express
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Pens → Offers → Menu
    Design B: Home → Confirm → Shop
11. 11.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Size
    Design B: Home → Size → Search → Item → Offers → Cart → Menu (a) Design B (b) Design A
12. 12.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
13. 13.🔢 In a quiz-app flow, which comes first: “pick an answer” or “tap “Start quiz””? (a) tap “Start quiz” (b) pick an answer
14. 14.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
15. 15.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) undoes one move
16. 16.True or false: the screen layout is about UX (the experience). (a) True (b) False
17. 17.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a charging cable (d) a type of font
18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Offers → Menu → Cart
    Design B: Home → Cart → Pay → Shop → Confirm → Address (a) Design A (b) Design B
19. 19.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Maths", "Art"];
    show(notes[2]); (a) Hindi (b) Art (c) Maths
20. 20.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now? (a) Map (b) Profile (c) Search (d) Home
22. 22.True or false: notes to read offline fits saving on the phone. (a) False (b) True
23. 23.✏️ What is a wireframe? (a) a type of password (b) the finished app (c) a simple screen sketch (d) a charging cable
24. 24.True or false: the theme colours is about UX (the experience). (a) True (b) False
25. 25.Which of these fits saving in the cloud? (a) a draft you are typing (b) photos on two devices (c) the sound on/off setting (d) notes to read offline
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Video”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.Which colour pair is easy to read? (a) red on green (b) dark blue on black (c) white on dark green (d) yellow on white
28. 28.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
29. 29.💾 What number does this code show?
    let points = 8;
    points = points - 3;
    points = points + 5;
    show(points);
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Video”
    Which screen are you on now? (a) Help page (b) Edit photo (c) Video (d) Feed
31. 31.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 32 px tall
    Send button: 56 px tall
    Next button: 36 px tall
    Done button: 32 px tall
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🔍 Which is the odd one out? (a) the icon shapes (b) the theme colours (c) the font size (d) whether users get lost
34. 34.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) undoes one move
35. 35.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
36. 36.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
37. 37.🔍 Which is the odd one out? (a) how many taps it takes (b) whether users get lost (c) how easy sign-up is (d) the font size
38. 38.Which of these is true of a wireframe? (a) looks like the real app (b) shows the real fonts (c) has no real colours (d) has the real colours
39. 39.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) icons with no labels
40. 40.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX

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