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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 317 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Chat tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Riya", "Kabir"];
    show(friends[0]);     (a) Kabir (b) Arjun (c) Riya
  3. 3.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 56 px tall
    Back button: 32 px tall
    Cancel button: 60 px tall
    Save button: 52 px tall
  4. 4.🔘 Our rule: buttons are at least 48 px tall. The Start button is 40 px tall. How many px taller must it be?
  5. 5.💾 What number does this code show?
    let notes = ["Music", "Science", "Hindi"];
    notes.push("Maths");
    show(notes.length);
  6. 6.True or false: a wireframe shows the real fonts. (a) True (b) False
  7. 7.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) shortcut (d) dead end
  8. 8.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) a picture goes here (c) delete this (d) an error
  9. 9.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ tab bar ]
    [ search box ]
    [ list of items ]
    [ Save button ]     (a) Save button (b) tab bar (c) search box
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Map”
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Friend list (d) Help page
  11. 11.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  12. 12.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Maths", "Art", "Science", "Music"];
    notes.pop();
    show(notes[notes.length - 1]);     (a) Sports (b) Art (c) Science (d) Maths
  13. 13.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
  14. 14.🔢 In a sign-up flow, what comes right after “type name and email”? (a) tap “Sign up” (b) open the app (c) make a password (d) enter the code sent
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home
  16. 16.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
  17. 17.Which of these is true of a wireframe? (a) has the real colours (b) shows where things go (c) uses the final pictures (d) looks like the real app
  18. 18.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
  19. 19.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see if it is right”? (a) pick an answer (b) see if it is right
  20. 20.🎨 UX stands for user ___. (a) experience (b) express (c) extra (d) example
  21. 21.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ menu icon ]
    [ search box ]
    [ tab bar ]
    [ big picture ]
    [ filter buttons ]
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Video
  23. 23.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
  24. 24.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Kites", "Rain", "Monsoon"];
    show(songs[3]);     (a) Kites (b) Rain (c) Sunrise (d) Monsoon
  25. 25.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
  26. 26.🔍 Which is the odd one out? (a) how users feel after (b) the icon shapes (c) the button colours (d) the theme colours
  27. 27.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) how many taps it takes (d) the theme colours
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Score card
  29. 29.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Score card
  31. 31.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) read a question (c) pick an answer (d) tap “Start quiz”
  32. 32.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
  33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ search box ]
    [ big picture ]
    [ filter buttons ]
    [ tab bar ]
    [ list of items ]
  34. 34.True or false: a wireframe uses the final pictures. (a) True (b) False
  35. 35.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  36. 36.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) take the photo (c) post the photo (d) open the camera screen
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Profile
  38. 38.🔢 In a sign-up flow, which comes first: “make a password” or “open the app”? (a) make a password (b) open the app
  39. 39.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) see the home screen (c) type name and email (d) tap “Sign up”
  40. 40.💾 What does this code show? (Positions start at 0.)
    let songs = ["Kites", "Stars", "Sunrise", "Monsoon", "Ocean"];
    show(songs[4]);     (a) Kites (b) Ocean (c) Stars (d) Sunrise

Answer key

  1. 0
  2. Arjun
  3. 3
  4. 8
  5. 4
  6. False
  7. dead end
  8. a picture goes here
  9. Save button
  10. Edit photo
  11. 8
  12. Science
  13. False
  14. make a password
  15. Home
  16. a wireframe
  17. shows where things go
  18. hard to read
  19. pick an answer
  20. experience
  21. 6
  22. Lessons
  23. a final design
  24. Monsoon
  25. reads the screen aloud
  26. how users feel after
  27. how many taps it takes
  28. Profile
  29. labels on every icon
  30. Lessons
  31. tap “Start quiz”
  32. False
  33. 6
  34. False
  35. the back button
  36. post the photo
  37. Profile
  38. open the app
  39. see the home screen
  40. Ocean

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