App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 830 · 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: a final design uses plain grey boxes. (a) True (b) False
2. 2.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
3. 3.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a charging cable (d) a type of password
4. 4.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) hides extra links (d) goes to the last screen
5. 5.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Address → Size → Menu
   Design B: Home → Search → Address (a) Design A (b) Design B
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Score card”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
7. 7.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
8. 8.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
9. 9.Which of these is about UI (the look)? (a) how easy sign-up is (b) the screen layout (c) whether users get lost (d) how many taps it takes
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Cart → Confirm → Pens → Search → Size
    Design B: Home → Results → Shop → Cart (a) Design A (b) Design B
11. 11.🔢 In a food-order flow, what comes right after “open the menu”? (a) track the order (b) pick a dish (c) pay for the order (d) check the cart
12. 12.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) delete this (c) a closed app (d) an error
14. 14.Which colour pair is easy to read? (a) dark blue on black (b) light grey on white (c) black on yellow (d) yellow on white
15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
16. 16.💾 What does this code show? (Positions start at 0.)
    let notes = ["Science", "Music", "Sports", "Maths"];
    show(notes[2]); (a) Maths (b) Science (c) Music (d) Sports
17. 17.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Menu
    Design B: Home → Offers → Address → Search → Pens (a) Design A (b) Design B
18. 18.🔢 In a food-order flow, which comes LAST? (a) track the order (b) pick a dish (c) pay for the order (d) add it to the cart
19. 19.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
22. 22.✏️ Why draw a wireframe before coding? (a) it saves data (b) it runs the app (c) changes are quick (d) it adds colours
23. 23.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) open the app (c) tap “Sign up” (d) see the home screen
24. 24.True or false: a wireframe has no real colours. (a) False (b) True
25. 25.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
26. 26.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
27. 27.Which colour pair is easy to read? (a) dark blue on white (b) yellow on white (c) red on green (d) dark blue on black
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Profile tab
    4. open “Help page”
    5. open “Edit photo”
    Which screen are you on now? (a) Score card (b) Edit photo (c) Help page (d) Map
29. 29.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
30. 30.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) check the cart (b) open the menu (c) track the order (d) pick a dish
31. 31.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
32. 32.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
33. 33.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) take the photo (b) open the camera screen
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Offers → Pay → Address → Menu → Shop
    Design B: Home → Shop → Menu (a) Design B (b) Design A
35. 35.🔍 Which is the odd one out? (a) the icon shapes (b) how fast a task is done (c) how users feel after (d) whether users get lost
36. 36.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) the sound on/off setting (d) photos on two devices
37. 37.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) strong colour contrast
39. 39.Which of these is true of a final design? (a) has no real colours (b) uses plain grey boxes (c) has the real colours (d) shows where things go
40. 40.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone

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