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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 82 · 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.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
  2. 2.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Friend list (c) Home (d) Map
  4. 4.True or false: the font size is about UX (the experience). (a) True (b) False
  5. 5.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ Save button ]
    [ Add button ]
    [ big picture ]
    [ title text ]
    [ top bar ]
    [ tab bar ]     (a) big picture (b) Add button (c) tab bar (d) title text
  6. 6.💾 What does this code show? (Positions start at 0.)
    let songs = ["Rain", "Ocean", "Sunrise"];
    show(songs[2]);     (a) Sunrise (b) Rain (c) Ocean
  7. 7.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) to skip testing (d) so each step is clear
  8. 8.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 68 px tall
    Done button: 56 px tall
    Cancel button: 24 px tall     (a) Done (b) Cancel (c) Save
  9. 9.🎨 UI stands for user ___. (a) idea (b) internet (c) interface (d) input
  10. 10.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  11. 11.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Me (d) Quiz
  13. 13.True or false: a clear word like Save is good button design. (a) False (b) True
  14. 14.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
  15. 15.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pay → Cart → Confirm → Offers
    Design B: Home → Menu → Size     (a) Design B (b) Design A
  16. 16.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
  17. 17.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ big picture ]
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ search box ]
  20. 20.Which of these is true of a final design? (a) uses the final pictures (b) is a quick sketch (c) uses plain grey boxes (d) has no real colours
  21. 21.Which of these is about UX (the experience)? (a) the theme colours (b) the font size (c) the screen layout (d) how users feel after
  22. 22.Which colour pair is hard to read? (a) dark blue on black (b) dark blue on white (c) black on yellow (d) white on black
  23. 23.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
  24. 24.🔍 Which is the odd one out? (a) the theme colours (b) the button colours (c) the screen layout (d) how many taps it takes
  25. 25.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) uses plain grey boxes (d) has the real colours
  26. 26.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) captions on videos
  27. 27.💾 pop() takes off the last item. What does this code show?
    let songs = ["Monsoon", "Kites", "Sunrise", "Stars"];
    songs.pop();
    show(songs[songs.length - 1]);     (a) Monsoon (b) Kites (c) Stars (d) Sunrise
  28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) tiny tap areas (d) colour as the only clue
  29. 29.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ tab bar ]
    [ search box ]
    [ list of items ]
    [ title text ]
    [ big picture ]
    [ top bar ]     (a) top bar (b) list of items (c) search box (d) title text
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 10 px
    Caption: 21 px     (a) Footer (b) Body text (c) Caption
  31. 31.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 60 px tall
    Help button: 48 px tall
    Save button: 44 px tall
  32. 32.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ list of items ]
    [ search box ]
    [ title text ]     (a) list of items (b) search box (c) menu icon (d) title text
  33. 33.💾 What does this code show? (Positions start at 0.)
    let friends = ["Meera", "Arjun", "Zoya", "Kabir", "Riya"];
    show(friends[3]);     (a) Kabir (b) Zoya (c) Arjun (d) Meera
  34. 34.🔢 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
  35. 35.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
  36. 36.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  37. 37.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) captions on videos (d) strong colour contrast
  38. 38.🔘 Our rule: buttons are at least 48 px tall. The Help button is 20 px tall. How many px taller must it be?
  39. 39.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Cart → Size
    Design B: Home → Pens → Menu     (a) Design B (b) Design A

Answer key

  1. hard to read
  2. helps everyone
  3. Friend list
  4. False
  5. tab bar
  6. Sunrise
  7. so each step is clear
  8. Cancel
  9. interface
  10. the back button
  11. a final design
  12. Friend list
  13. True
  14. poor design
  15. Design B
  16. UX
  17. good design
  18. a tab bar
  19. 6
  20. uses the final pictures
  21. how users feel after
  22. dark blue on black
  23. on the phone
  24. how many taps it takes
  25. uses plain grey boxes
  26. tiny tap areas
  27. Sunrise
  28. captions on videos
  29. top bar
  30. Body text
  31. 2
  32. title text
  33. Kabir
  34. type name and email
  35. a final design
  36. 7
  37. sudden loud sounds
  38. 28
  39. a tab bar
  40. Design B

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