App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 968 · 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: the icon shapes is about UX (the experience). (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) the icon shapes (d) how easy sign-up is
3. 3.Which of these is true of a wireframe? (a) has the real colours (b) uses the final pictures (c) has no real colours (d) shows the real fonts
4. 4.💾 What number does this code show?
   let notes = ["Music", "Art", "Maths", "Hindi"];
   notes.push("Sports");
   notes.push("Science");
   show(notes.length);
5. 5.🔢 In a food-order flow, which comes FIRST? (a) pay for the order (b) pick a dish (c) check the cart (d) open the menu
6. 6.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it adds colours (c) it saves data (d) changes are quick
7. 7.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
8. 8.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
9. 9.True or false: a wireframe has no real colours. (a) False (b) True
10. 10.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: a clear word like Save is good button design. (a) True (b) False
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pens
    Design B: Home → Offers → Shop → Confirm (a) Design B (b) Design A
13. 13.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
14. 14.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) no UI at all (d) good UI but poor UX
15. 15.🔘 Our rule: buttons are at least 48 px tall. The Done button is 36 px tall. How many px taller must it be?
16. 16.Which colour pair is hard to read? (a) yellow on white (b) white on dark green (c) dark blue on white (d) white on black
17. 17.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme
18. 18.Which of these is true of a final design? (a) uses plain grey boxes (b) shows the real fonts (c) has no real colours (d) shows where things go
19. 19.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) tab bar (c) dead end (d) home screen
20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
21. 21.Which of these is about UI (the look)? (a) how fast a task is done (b) how many taps it takes (c) the font size (d) how easy sign-up is
22. 22.True or false: the font size is about UX (the experience). (a) False (b) True
23. 23.True or false: space between buttons is poor button design. (a) False (b) True
24. 24.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) tap “Sign up” (b) type name and email (c) make a password (d) see the home screen
25. 25.💾 What number does this code show?
    let stars = 8;
    stars = stars - 2;
    stars = stars + 5;
    show(stars);
26. 26.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
27. 27.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) read a question (c) tap “Start quiz” (d) see the final score
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Address → Offers → Pay → Search
    Design B: Home → Pay → Size → Pens
29. 29.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ tab bar ]
    [ title text ]
    [ menu icon ]
    [ big picture ]
    [ Add button ] (a) Add button (b) big picture (c) tab bar (d) menu icon
30. 30.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) captions on videos
31. 31.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Item
    Design B: Home → Menu → Pens → Pay → Confirm (a) Design A (b) Design B
33. 33.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) add a filter (c) take the photo (d) post the photo
34. 34.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the screen turns off (c) the phone is lost (d) the app is closed
35. 35.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) opens a list of pages
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Help page”
    4. open “Map”
    5. open “Badges”
    Which screen are you on now? (a) Help page (b) Map (c) Feed (d) Badges
38. 38.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a clear next step (c) a random page (d) the same screen
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere

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