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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 196 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a final design uses the final pictures. (a) True (b) False
  2. 2.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
  3. 3.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  4. 4.💾 What number does this code show?
    let notes = ["Maths", "Hindi", "Music", "Science"];
    notes.push("Sports");
    show(notes.length);
  5. 5.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
  6. 6.🔘 Our rule: buttons are at least 48 px tall. The Send button is 32 px tall. How many px taller must it be?
  7. 7.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
  8. 8.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) add it to the cart (c) pick a dish (d) track the order
  9. 9.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
  10. 10.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
  11. 11.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) colour as the only clue
  12. 12.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
  13. 13.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) nobody (d) the app icon
  14. 14.Which colour pair is easy to read? (a) dark blue on black (b) light grey on white (c) black on pale grey (d) pale pink on white
  15. 15.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Match report”
    4. tap Back
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.True or false: a wireframe has the real colours. (a) True (b) False
  18. 18.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
  19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Menu → Pay → Cart
    Design B: Home → Shop → Results → Search → Confirm → Pens
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now?
    (a) Chat (b) Feed (c) Help page (d) Settings
  21. 21.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the app is closed (c) the screen turns off (d) the phone is lost
  22. 22.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
  23. 23.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
  24. 24.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) the button colours (d) how many taps it takes
  25. 25.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
  26. 26.🔢 In a sign-up flow, what comes right after “make a password”? (a) tap “Sign up” (b) open the app (c) type name and email (d) enter the code sent
  27. 27.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) big touch targets
  28. 28.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) enter the code sent (c) type name and email (d) see the home screen
  29. 29.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
  30. 30.💾 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
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🔢 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
  34. 34.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
  35. 35.True or false: chat messages to friends fits saving in the cloud. (a) False (b) True
  36. 36.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
  37. 37.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
  38. 38.🔀 What is a user flow? (a) a colour theme (b) a charging cable (c) a type of font (d) the path through screens
  39. 39.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
  40. 40.🔢 In a sign-up flow, which comes first: “enter the code sent” or “open the app”? (a) enter the code sent (b) open the app

Answer key

  1. True
  2. everyone
  3. a menu button
  4. 5
  5. UI
  6. 16
  7. easy to read
  8. pick a dish
  9. False
  10. hard to read
  11. colour as the only clue
  12. a final design
  13. real users
  14. black on pale grey
  15. a final design
  16. 0
  17. False
  18. False
  19. 1
  20. Settings
  21. the phone is lost
  22. a wireframe
  23. a wireframe
  24. the button colours
  25. hard to read
  26. enter the code sent
  27. tiny tap areas
  28. see the home screen
  29. shows where things go
  30. on the phone
  31. 3
  32. 1
  33. open the camera screen
  34. 12
  35. True
  36. add a filter
  37. True
  38. the path through screens
  39. open the camera screen
  40. open the app

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