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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 552 · 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.Which of these is true of a wireframe? (a) looks like the real app (b) shows where things go (c) shows the real fonts (d) uses the final pictures
  2. 2.True or false: buttons almost touching is good button design. (a) True (b) False
  3. 3.Which of these is about UI (the look)? (a) how fast a task is done (b) whether users get lost (c) the screen layout (d) how users feel after
  4. 4.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) big touch targets
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. open “Badges”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
  8. 8.🔢 In a food-order flow, what comes right after “pick a dish”? (a) check the cart (b) pay for the order (c) add it to the cart (d) open the menu
  9. 9.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) add a filter (b) post the photo (c) take the photo (d) write a caption
  10. 10.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ Add button ]
    [ list of items ]
    [ tab bar ]
    [ top bar ]
    [ search box ]     (a) search box (b) top bar (c) list of items (d) tab bar
  11. 11.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
  12. 12.True or false: a wireframe uses the final pictures. (a) True (b) False
  13. 13.True or false: a tiny 20 px button is good button design. (a) False (b) True
  14. 14.Which of these fits saving in the cloud? (a) a draft you are typing (b) your last game level (c) the sound on/off setting (d) chat messages to friends
  15. 15.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 52 px tall
    Help button: 68 px tall
    Next button: 36 px tall
    Done button: 52 px tall     (a) Help (b) Save (c) Next (d) Done
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Search (c) Edit photo (d) Video
  17. 17.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ list of items ]
    [ tab bar ]
    [ Add button ]
    [ filter buttons ]
    [ menu icon ]     (a) list of items (b) tab bar (c) Add button (d) menu icon
  18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Search → Menu → Shop → Cart → Pay
    Design B: Home → Item → Results → Pay → Size     (a) Design A (b) Design B
  19. 19.True or false: photos on two devices fits saving on the phone. (a) False (b) True
  20. 20.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
  21. 21.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) read a question (c) tap “Start quiz” (d) see the final score
  22. 22.🔢 In a sign-up flow, what comes right after “type name and email”? (a) open the app (b) enter the code sent (c) make a password (d) see the home screen
  23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Hint: 18 px
    Body text: 17 px
  24. 24.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
  25. 25.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) icons with no labels
  26. 26.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Search → Address → Cart → Size → Confirm
    Design B: Home → Address → Menu → Pay
  28. 28.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
  29. 29.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) an error (c) delete this (d) a picture goes here
  30. 30.🎨 UX stands for user ___. (a) express (b) extra (c) experience (d) example
  31. 31.True or false: a big, easy tap area is poor button design. (a) True (b) False
  32. 32.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
  33. 33.💾 Which works with no internet at all? (a) a cloud backup (b) data saved on the phone (c) a cloud leaderboard (d) a shared chat
  34. 34.💾 pop() takes off the last item. What does this code show?
    let songs = ["Stars", "Ocean", "Monsoon"];
    songs.pop();
    show(songs[songs.length - 1]);     (a) Stars (b) Monsoon (c) Ocean
  35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ menu icon ]
    [ list of items ]
    [ title text ]
    [ search box ]     (a) list of items (b) search box (c) top bar (d) title text
  36. 36.Which of these fits saving in the cloud? (a) your last game level (b) the sound on/off setting (c) photos on two devices (d) a draft you are typing
  37. 37.🔢 In a quiz-app flow, what comes right after “read a question”? (a) pick an answer (b) see the final score (c) see if it is right (d) tap “Start quiz”
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  39. 39.Which of these is about UI (the look)? (a) how fast a task is done (b) how many taps it takes (c) the icon shapes (d) how easy sign-up is
  40. 40.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) chat messages to friends (d) the sound on/off setting

Answer key

  1. shows where things go
  2. False
  3. the screen layout
  4. colour as the only clue
  5. at the bottom
  6. 3
  7. False
  8. add it to the cart
  9. take the photo
  10. list of items
  11. a final design
  12. False
  13. False
  14. chat messages to friends
  15. Next
  16. Search
  17. menu icon
  18. Design B
  19. False
  20. True
  21. see the final score
  22. make a password
  23. 0
  24. a text label
  25. labels on every icon
  26. the back button
  27. 3
  28. easy to read
  29. a picture goes here
  30. experience
  31. False
  32. False
  33. data saved on the phone
  34. Ocean
  35. search box
  36. photos on two devices
  37. pick an answer
  38. Feed
  39. the icon shapes
  40. the sound on/off setting

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