App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 631 · 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 below the menu icon?
   [ list of items ]
   [ menu icon ]
   [ filter buttons ]
   [ big picture ]
   [ tab bar ] (a) tab bar (b) list of items (c) filter buttons (d) big picture
2. 2.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) is a quick sketch (d) uses the final pictures
3. 3.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
4. 4.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) labels on every icon (d) captions on videos
6. 6.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
7. 7.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) shows where things go (d) has the real colours
8. 8.💾 pop() takes off the last item. What does this code show?
   let notes = ["Sports", "Hindi", "Music", "Art"];
   notes.pop();
   show(notes[notes.length - 1]); (a) Hindi (b) Art (c) Music (d) Sports
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 13 px
   Title: 18 px
   Body text: 20 px
   Footer: 19 px
   Caption: 22 px
10. 10.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
11. 11.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ Save button ]
    [ big picture ]
    [ top bar ]
    [ Add button ]
    [ tab bar ]
    [ search box ] (a) Add button (b) search box (c) big picture (d) Save button
12. 12.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) add a filter (d) post the photo
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Results → Confirm → Search → Menu → Cart
    Design B: Home → Menu → Pens
14. 14.🔍 Which is the odd one out? (a) whether users get lost (b) how users feel after (c) the font size (d) how many taps it takes
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Search
    Design B: Home → Results → Item → Cart
16. 16.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
17. 17.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
18. 18.🎨 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
19. 19.Which of these is true of a final design? (a) has the real colours (b) is a quick sketch (c) uses plain grey boxes (d) shows where things go
20. 20.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) pick an answer (c) see if it is right (d) tap “Start quiz”
21. 21.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
22. 22.True or false: how many taps it takes is about UI (the look). (a) True (b) False
23. 23.Which of these is true of a final design? (a) has no real colours (b) is a quick sketch (c) looks like the real app (d) uses plain grey boxes
24. 24.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
25. 25.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) make a password (b) type name and email
26. 26.Which of these is about UI (the look)? (a) whether users get lost (b) the screen layout (c) how fast a task is done (d) how users feel after
27. 27.🔢 In a photo-post flow, which comes first: “add a filter” or “take the photo”? (a) add a filter (b) take the photo
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Profile tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🔍 Which is the odd one out? (a) the screen layout (b) the button colours (c) the icon shapes (d) how users feel after
30. 30.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
31. 31.💾 What number does this code show?
    let points = 7;
    points = points - 6;
    points = points + 1;
    show(points);
32. 32.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) tap “Sign up” (c) type name and email (d) open the app
33. 33.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) opens a list of pages (d) goes to the last screen
34. 34.True or false: how fast a task is done is about UI (the look). (a) True (b) False
35. 35.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) shrink the app (c) use it on any device (d) never need a password
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Me
37. 37.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
38. 38.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) the button colours (d) how fast a task is done
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Map (b) Feed (c) Chat (d) Settings
40. 40.True or false: a shared to-do list fits saving in the cloud. (a) False (b) True

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