App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 403 · 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.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
2. 2.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Send button: 64 px tall
   Help button: 36 px tall
   Next button: 60 px tall
   Save button: 36 px tall
3. 3.💾 Which works with no internet at all? (a) a cloud backup (b) a cloud leaderboard (c) a shared chat (d) data saved on the phone
4. 4.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
5. 5.Which colour pair is easy to read? (a) white on dark green (b) pale pink on white (c) light grey on white (d) red on green
6. 6.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
7. 7.🔀 What is a user flow? (a) a charging cable (b) a colour theme (c) a type of font (d) the path through screens
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 23 px
   Body text: 18 px
   Footer: 15 px
   Label: 22 px
   Hint: 21 px
9. 9.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
10. 10.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) enter the code sent (c) see the home screen (d) type name and email
11. 11.💾 What is a variable? (a) a phone setting (b) a type of screen (c) a named box for a value (d) a picture
12. 12.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
13. 13.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) read a question (c) see the final score (d) see if it is right
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Item → Pens → Results → Offers
    Design B: Home → Pens → Address → Menu → Cart → Offers
15. 15.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) opens a list of pages (d) goes to the last screen
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Item → Confirm
    Design B: Home → Shop → Confirm
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 48 px tall
    Next button: 32 px tall
    Cancel button: 48 px tall (a) Next (b) Cancel (c) Save
18. 18.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
19. 19.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
20. 20.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) make a password (b) open the app (c) type name and email (d) see the home screen
21. 21.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) write a caption (c) post the photo (d) add a filter
22. 22.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) labels on every icon
23. 23.🔢 In a sign-up flow, which comes first: “enter the code sent” or “tap “Sign up””? (a) enter the code sent (b) tap “Sign up”
24. 24.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
25. 25.🔀 Why plan the user flow before building? (a) to skip testing (b) to add more taps (c) so each step is clear (d) to hide the buttons
26. 26.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) pencil and paper (c) a 3D printer (d) a phone case
27. 27.True or false: a final design has the real colours. (a) False (b) True
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Item → Address → Cart
    Design B: Home → Menu → Pens → Address
29. 29.💾 What number does this code show?
    let stars = 5;
    stars = stars - 1;
    stars = stars + 1;
    show(stars);
30. 30.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
31. 31.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) sits at the bottom
32. 32.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 64 px tall
    Help button: 32 px tall
    Back button: 40 px tall
    Cancel button: 52 px tall
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Address → Size → Item → Offers → Menu
    Design B: Home → Menu → Offers → Search → Shop
34. 34.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) open the menu (b) check the cart
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Confirm
    Design B: Home → Offers → Shop → Cart → Item
36. 36.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) open the camera screen (b) post the photo
37. 37.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) shortcut (d) dead end
38. 38.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
39. 39.Which of these fits saving on the phone? (a) a draft you are typing (b) a class leaderboard (c) a shared to-do list (d) photos on two devices
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Address
    Design B: Home → Offers → Cart → Size → Pay

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