App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 459 · 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.🖼️ In this wireframe (top to bottom), what is right above the search box?
   [ top bar ]
   [ Add button ]
   [ filter buttons ]
   [ search box ]
   [ big picture ] (a) filter buttons (b) top bar (c) Add button (d) big picture
2. 2.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
3. 3.True or false: a final design is a quick sketch. (a) True (b) False
4. 4.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) text that can grow
5. 5.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
6. 6.💾 What number does this code show?
   let friends = ["Riya", "Arjun", "Kabir", "Zoya"];
   friends.push("Aman");
   show(friends.length);
7. 7.True or false: how many taps it takes is about UI (the look). (a) True (b) False
8. 8.Which of these is about UI (the look)? (a) how users feel after (b) how easy sign-up is (c) whether users get lost (d) the theme colours
9. 9.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
10. 10.🔢 In a food-order flow, which comes FIRST? (a) pay for the order (b) track the order (c) check the cart (d) open the menu
11. 11.True or false: how fast a task is done is about UI (the look). (a) False (b) True
12. 12.💾 What number does this code show?
    let friends = ["Riya", "Zoya"];
    friends.push("Arjun");
    show(friends.length);
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap Back
    Which screen are you on now? (a) Video (b) Score card (c) Lessons (d) Quiz
14. 14.True or false: a final design uses plain grey boxes. (a) False (b) True
15. 15.True or false: a wireframe is a quick sketch. (a) False (b) True
16. 16.🎨 Who should you test the UX with? (a) the app icon (b) only yourself (c) real users (d) nobody
17. 17.🔢 In a quiz-app flow, which comes first: “see the final score” or “see if it is right”? (a) see if it is right (b) see the final score
18. 18.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) uses the final pictures (d) uses plain grey boxes
19. 19.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) add it to the cart (c) pick a dish (d) open the menu
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now? (a) Score card (b) Home (c) Edit photo (d) Help page
21. 21.Which of these is about UX (the experience)? (a) the theme colours (b) the button colours (c) how users feel after (d) the font size
22. 22.Which colour pair is hard to read? (a) light grey on white (b) dark blue on white (c) white on black (d) black on pale grey
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
24. 24.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
25. 25.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
26. 26.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
27. 27.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
28. 28.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Save button ]
    [ filter buttons ]
    [ Add button ]
    [ top bar ] (a) Add button (b) top bar (c) Save button
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Hint: 28 px
    Menu: 9 px (a) Title (b) Menu (c) Hint
30. 30.True or false: space between buttons is good button design. (a) False (b) True
31. 31.💾 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
32. 32.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Size
    Design B: Home → Shop → Cart → Confirm → Size
33. 33.🔢 In a sign-up flow, which comes first: “see the home screen” or “open the app”? (a) see the home screen (b) open the app
34. 34.Which of these is true of a wireframe? (a) uses plain grey boxes (b) has the real colours (c) shows the real fonts (d) uses the final pictures
35. 35.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now? (a) Chat (b) Feed (c) Map (d) Edit photo
37. 37.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
38. 38.True or false: your last game level fits saving on the phone. (a) True (b) False
39. 39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ top bar ]
    [ tab bar ]
    [ filter buttons ] (a) search box (b) filter buttons (c) tab bar (d) top bar
40. 40.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Sports", "Science"];
    show(notes[1]); (a) Sports (b) Art (c) Science

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