App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 958 · 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: “colour as the only clue” helps everyone use the app. (a) False (b) True
2. 2.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
3. 3.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap Back
   3. tap the Search tab
   4. open “Video”
   Which screen are you on now? (a) Edit photo (b) Home (c) Search (d) Video
5. 5.Which of these makes the app harder to use? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) text that can grow
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. tap Back
   3. open “Score card”
   4. tap Back
   Which screen are you on now? (a) Score card (b) Lessons (c) Quiz (d) Match report
7. 7.Which of these is about UI (the look)? (a) how fast a task is done (b) whether users get lost (c) the icon shapes (d) how easy sign-up is
8. 8.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) see if it is right (c) tap “Start quiz” (d) read a question
9. 9.💾 Which works with no internet at all? (a) a cloud backup (b) a shared chat (c) data saved on the phone (d) a cloud leaderboard
10. 10.True or false: the font size is about UX (the experience). (a) True (b) False
11. 11.💾 What number does this code show?
    let notes = ["Music", "Science"];
    notes.push("Hindi");
    notes.push("Maths");
    show(notes.length);
12. 12.Which colour pair is hard to read? (a) yellow on white (b) black on yellow (c) black on pale grey (d) white on dark green
13. 13.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
14. 14.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
15. 15.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
16. 16.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
17. 17.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
18. 18.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Lessons (c) Quiz (d) Match report
20. 20.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Friend list”
    4. open “Help page”
    Which screen are you on now? (a) Friend list (b) Help page (c) Video (d) Lessons
22. 22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Pay → Address
    Design B: Home → Item → Confirm → Menu → Address (a) Design A (b) Design B
23. 23.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) pencil and paper (d) a phone case
24. 24.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
25. 25.True or false: a wireframe looks like the real app. (a) True (b) False
26. 26.🔢 In a photo-post flow, what comes right after “add a filter”? (a) write a caption (b) take the photo (c) open the camera screen (d) post the photo
27. 27.Which colour pair is easy to read? (a) white on dark green (b) red on green (c) dark blue on black (d) yellow on white
28. 28.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
29. 29.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
30. 30.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ big picture ]
    [ tab bar ]
    [ menu icon ] (a) tab bar (b) menu icon (c) big picture (d) Save button
31. 31.💾 What number does this code show?
    let notes = ["Art", "Maths", "Science", "Music"];
    notes.push("Sports");
    notes.push("Hindi");
    show(notes.length);
32. 32.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
33. 33.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) has the real colours (d) shows where things go
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Item
    Design B: Home → Cart → Shop → Pens (a) Design B (b) Design A
35. 35.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ big picture ]
    [ title text ]
    [ Add button ]
    [ top bar ] (a) big picture (b) top bar (c) title text
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Menu → Item
    Design B: Home → Shop → Pay → Cart → Pens → Size
38. 38.Which of these is about UX (the experience)? (a) the icon shapes (b) the theme colours (c) how many taps it takes (d) the font size
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone

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