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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 700 · 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 shows where things go. (a) True (b) False
  2. 2.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ filter buttons ]
    [ title text ]
    [ Save button ]
    [ menu icon ]
    [ list of items ]
  3. 3.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pens → Address
    Design B: Home → Size → Offers → Pay → Pens → Shop → Address     (a) Design B (b) Design A
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
  5. 5.💾 What number does this code show?
    let friends = ["Arjun", "Aman"];
    friends.push("Kabir");
    show(friends.length);
  6. 6.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  7. 7.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
  8. 8.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ tab bar ]
    [ search box ]
    [ filter buttons ]
    [ menu icon ]
    [ list of items ]
    [ top bar ]     (a) tab bar (b) search box (c) top bar (d) filter buttons
  9. 9.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  11. 11.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) chat messages to friends (d) photos on two devices
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
    [ big picture ]
  14. 14.🔢 In a food-order flow, what comes right after “pay for the order”? (a) add it to the cart (b) track the order (c) open the menu (d) pick a dish
  15. 15.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
  16. 16.Which of these is true of a final design? (a) looks like the real app (b) shows where things go (c) uses plain grey boxes (d) is a quick sketch
  17. 17.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
  18. 18.True or false: a tiny 20 px button is poor button design. (a) False (b) True
  19. 19.💾 pop() takes off the last item. What does this code show?
    let friends = ["Kabir", "Aman", "Riya", "Zoya"];
    friends.pop();
    show(friends[friends.length - 1]);     (a) Zoya (b) Kabir (c) Riya (d) Aman
  20. 20.Which colour pair is hard to read? (a) yellow on white (b) dark blue on white (c) white on black (d) black on yellow
  21. 21.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
  22. 22.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 72 px tall
    Start button: 52 px tall
    Back button: 24 px tall     (a) Start (b) Back (c) Help
  23. 23.🔍 Which is the odd one out? (a) whether users get lost (b) how easy sign-up is (c) how users feel after (d) the screen layout
  24. 24.✏️ 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
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Score card (d) Edit photo
  26. 26.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a picture goes here (c) a closed app (d) an error
  27. 27.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  28. 28.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ top bar ]
    [ tab bar ]
    [ list of items ]
    [ title text ]     (a) title text (b) tab bar (c) Add button (d) top bar
  29. 29.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
  30. 30.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 68 px tall
    Back button: 28 px tall
    Send button: 72 px tall     (a) Send (b) Done (c) Back
  31. 31.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) type name and email (b) tap “Sign up”
  32. 32.True or false: the font size is about UX (the experience). (a) True (b) False
  33. 33.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) post the photo (b) write a caption
  34. 34.🔀 What is a user flow? (a) a colour theme (b) a type of font (c) a charging cable (d) the path through screens
  35. 35.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Menu: 16 px
    Body text: 17 px
    Caption: 27 px     (a) Title (b) Body text (c) Caption (d) Menu
  37. 37.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) pick a dish (c) pay for the order (d) check the cart
  38. 38.🔍 Which is the odd one out? (a) the theme colours (b) how easy sign-up is (c) whether users get lost (d) how users feel after
  39. 39.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) a simple screen sketch (d) the finished app
  40. 40.True or false: a shared to-do list fits saving on the phone. (a) True (b) False

Answer key

  1. False
  2. 6
  3. Design A
  4. at the bottom
  5. 3
  6. goes to the last screen
  7. hard to read
  8. top bar
  9. True
  10. Home
  11. the sound on/off setting
  12. 1
  13. 5
  14. track the order
  15. 2
  16. looks like the real app
  17. a final design
  18. True
  19. Riya
  20. yellow on white
  21. False
  22. Back
  23. the screen layout
  24. pencil and paper
  25. Match report
  26. a picture goes here
  27. 2
  28. title text
  29. on the phone
  30. Back
  31. tap “Sign up”
  32. False
  33. write a caption
  34. the path through screens
  35. UI
  36. Title
  37. pick a dish
  38. the theme colours
  39. a simple screen sketch
  40. False

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