App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 848 · 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.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) tab bar (c) shortcut (d) home screen
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Search → Shop → Item → Address → Confirm → Offers
   Design B: Home → Address → Pay → Confirm → Pens → Cart
3. 3.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ Save button ]
   [ Add button ]
   [ big picture ]
   [ list of items ]
   [ menu icon ] (a) list of items (b) menu icon (c) big picture (d) Save button
4. 4.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) write a caption (c) take the photo (d) open the camera screen
5. 5.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
6. 6.💾 What number does this code show?
   let friends = ["Kabir", "Meera", "Zoya"];
   friends.push("Aman");
   show(friends.length);
7. 7.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) shows the real fonts (d) has no real colours
8. 8.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
9. 9.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Shop → Offers → Menu → Search
   Design B: Home → Offers → Address
10. 10.💾 pop() takes off the last item. What does this code show?
    let notes = ["Maths", "Art", "Hindi", "Sports"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Art (b) Sports (c) Hindi (d) Maths
11. 11.💾 pop() takes off the last item. What does this code show?
    let songs = ["Rain", "Ocean", "Kites"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Kites (b) Rain (c) Ocean
12. 12.💾 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
13. 13.💾 pop() takes off the last item. What does this code show?
    let songs = ["Sunrise", "Kites", "Rain"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Sunrise (c) Kites
14. 14.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) read a question (c) pick an answer (d) see the final score
15. 15.🔢 In a sign-up flow, which comes FIRST? (a) open the app (b) enter the code sent (c) see the home screen (d) tap “Sign up”
16. 16.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) type name and email (c) make a password (d) enter the code sent
17. 17.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) opens a list of pages
18. 18.True or false: a final design has no real colours. (a) False (b) True
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Pens → Confirm → Menu → Item → Pay
    Design B: Home → Search → Pay → Confirm
20. 20.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) colour as the only clue (d) icons with no labels
22. 22.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) pencil and paper (c) a 3D printer (d) a phone case
23. 23.💾 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
24. 24.🎨 UX stands for user ___. (a) example (b) experience (c) express (d) extra
25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) icons with no labels (d) strong colour contrast
26. 26.🔍 Which is the odd one out? (a) the font size (b) the icon shapes (c) how fast a task is done (d) the screen layout
27. 27.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) type name and email (b) make a password (c) enter the code sent (d) see the home screen
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Friend list (b) Feed (c) Edit photo (d) Chat
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 28 px tall
    Cancel button: 48 px tall
    Done button: 72 px tall (a) Done (b) Cancel (c) Next
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Quiz tab
    Which screen are you on now? (a) Lessons (b) Help page (c) Quiz (d) Match report
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Chat tab
    Which screen are you on now? (a) Settings (b) Chat (c) Feed (d) Match report
32. 32.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 48 px tall
    Help button: 44 px tall
    Save button: 32 px tall
    Start button: 36 px tall
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Video”
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Video
34. 34.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) post the photo (b) open the camera screen
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Search
    Design B: Home → Size → Cart → Address → Item → Search → Confirm
36. 36.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ top bar ]
    [ Save button ]
    [ menu icon ]
    [ big picture ]
    [ Add button ] (a) top bar (b) Add button (c) Save button (d) big picture
37. 37.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) pick an answer (c) tap “Start quiz” (d) see the final score
38. 38.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
39. 39.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ big picture ]
    [ title text ]
    [ filter buttons ]
    [ search box ]
    [ tab bar ] (a) big picture (b) search box (c) tab bar (d) title text
40. 40.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) read a question (b) see if it is right

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