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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 643 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 21 px
    Title: 11 px
  2. 2.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) tap “Start quiz” (c) see the final score (d) read a question
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Me
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Score card”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) labels on every icon (d) big touch targets
  8. 8.💾 What number does this code show?
    let stars = 7;
    stars = stars - 4;
    stars = stars + 1;
    show(stars);
  9. 9.True or false: a draft you are typing fits saving in the cloud. (a) False (b) True
  10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 60 px tall
    Back button: 32 px tall
    Start button: 36 px tall
  11. 11.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
  12. 12.💾 Data saved only on the phone is lost when ___. (a) you send a message (b) the app is closed (c) the phone is lost (d) the screen turns off
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Friend list (d) Search
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  15. 15.💾 What number does this code show?
    let notes = ["Art", "Science", "Maths"];
    notes.push("Hindi");
    notes.push("Sports");
    show(notes.length);
  16. 16.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
  17. 17.💾 What does this code show? (Positions start at 0.)
    let friends = ["Zoya", "Riya", "Kabir", "Meera"];
    show(friends[1]);     (a) Meera (b) Kabir (c) Riya (d) Zoya
  18. 18.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) post the photo (c) take the photo (d) open the camera screen
  19. 19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 40 px tall
    Back button: 56 px tall
    Help button: 64 px tall
    Save button: 56 px tall     (a) Back (b) Save (c) Help (d) Cancel
  20. 20.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) uses the final pictures (d) is a quick sketch
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Video (d) Badges
  22. 22.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
  23. 23.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ big picture ]
    [ filter buttons ]
    [ menu icon ]
    [ Add button ]
    [ top bar ]
    [ search box ]     (a) menu icon (b) big picture (c) top bar (d) search box
  24. 24.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ search box ]
    [ menu icon ]
    [ tab bar ]
    [ list of items ]     (a) list of items (b) menu icon (c) search box (d) top bar
  25. 25.🔢 In a sign-up flow, which comes first: “open the app” or “make a password”? (a) make a password (b) open the app
  26. 26.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 24 px tall. How many px taller must it be?
  27. 27.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) open the app (c) enter the code sent (d) make a password
  28. 28.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) your last game level (d) a shared to-do list
  29. 29.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Profile tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) post the photo (b) write a caption
  32. 32.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) check the cart (c) track the order (d) add it to the cart
  33. 33.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) opens a list of pages
  34. 34.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) pencil and paper (c) a 3D printer (d) a microphone
  35. 35.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  36. 36.Which of these fits saving on the phone? (a) a class leaderboard (b) photos on two devices (c) your last game level (d) a shared to-do list
  37. 37.True or false: the screen layout is about UI (the look). (a) True (b) False
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Video”
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Home (d) Video
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ Add button ]
    [ big picture ]
    [ top bar ]
    [ search box ]
    [ filter buttons ]     (a) search box (b) top bar (c) filter buttons (d) Add button

Answer key

  1. 1
  2. see the final score
  3. 2
  4. a final design
  5. Lessons
  6. 2
  7. colour as the only clue
  8. 4
  9. False
  10. 1
  11. UI
  12. the phone is lost
  13. Home
  14. 3 to 5
  15. 5
  16. easy to read
  17. Riya
  18. post the photo
  19. Cancel
  20. uses the final pictures
  21. Video
  22. on the phone
  23. big picture
  24. list of items
  25. open the app
  26. 24
  27. see the home screen
  28. a shared to-do list
  29. UX
  30. 1
  31. write a caption
  32. track the order
  33. switches main sections
  34. pencil and paper
  35. 1
  36. your last game level
  37. True
  38. Match report
  39. 2
  40. top bar

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