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App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 53 · 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.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Item → Offers → Shop
    Design B: Home → Size → Cart
  3. 3.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pens → Shop
    Design B: Home → Pens → Offers → Menu → Item
    (a) Design B (b) Design A
  4. 4.💾 Which can hold many values in order? (a) a switch (b) a single number (c) a list (d) a button
  5. 5.🔍 Which is the odd one out? (a) how easy sign-up is (b) the screen layout (c) the font size (d) the button colours
  6. 6.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) shortcut (c) home screen (d) dead end
  7. 7.True or false: space between buttons is poor button design. (a) True (b) False
  8. 8.✏️ What is a wireframe? (a) a type of password (b) a simple screen sketch (c) a charging cable (d) the finished app
  9. 9.🔢 In a photo-post flow, which comes LAST? (a) add a filter (b) take the photo (c) write a caption (d) post the photo
  10. 10.Which of these is true of a wireframe? (a) uses plain grey boxes (b) uses the final pictures (c) has the real colours (d) looks like the real app
  11. 11.True or false: space between buttons is good button design. (a) True (b) False
  12. 12.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 56 px tall
    Help button: 40 px tall
    Done button: 44 px tall
  13. 13.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) see the final score (c) read a question (d) tap “Start quiz”
  14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ top bar ]
    [ tab bar ]
    [ list of items ]
    [ Save button ]
    (a) list of items (b) Save button (c) title text (d) tab bar
  15. 15.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
  16. 16.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) the app icon (d) nobody
  17. 17.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
  18. 18.💾 What number does this code show?
    let friends = ["Meera", "Aman", "Kabir", "Riya"];
    friends.push("Zoya");
    show(friends.length);
  19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Menu: 20 px
    Hint: 11 px
  20. 20.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) see the home screen (c) enter the code sent (d) tap “Sign up”
  21. 21.🔢 In a sign-up flow, which comes first: “make a password” or “enter the code sent”? (a) enter the code sent (b) make a password
  22. 22.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) shows where things go (d) uses the final pictures
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  24. 24.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ top bar ]
    [ filter buttons ]
    [ menu icon ]
    [ Add button ]
    [ list of items ]
    [ Save button ]
    (a) Save button (b) list of items (c) menu icon (d) top bar
  25. 25.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ search box ]
    [ Save button ]
    [ tab bar ]
    [ menu icon ]
    (a) search box (b) tab bar (c) Save button
  26. 26.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  27. 27.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ list of items ]
    [ tab bar ]
    [ Save button ]
    [ big picture ]
    [ Add button ]
    (a) list of items (b) Save button (c) tab bar (d) Add button
  28. 28.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
  29. 29.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ list of items ]
    [ big picture ]
    [ menu icon ]
    [ filter buttons ]
    (a) big picture (b) menu icon (c) list of items
  30. 30.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
  31. 31.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
  32. 32.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see the final score”? (a) see the final score (b) pick an answer
  33. 33.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  34. 34.🔢 In a food-order flow, which comes LAST? (a) open the menu (b) add it to the cart (c) pick a dish (d) track the order
  35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ list of items ]
    [ search box ]
    [ menu icon ]
    (a) menu icon (b) top bar (c) list of items (d) search box
  36. 36.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 48 px tall
    Next button: 52 px tall
    Save button: 32 px tall
  37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Confirm → Search → Results → Pay → Pens
    Design B: Home → Size → Offers → Results
  38. 38.🔘 Our rule: buttons are at least 48 px tall. The Next button is 36 px tall. How many px taller must it be?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?

Answer key

  1. makes it harder
  2. 4
  3. Design A
  4. a list
  5. how easy sign-up is
  6. dead end
  7. False
  8. a simple screen sketch
  9. post the photo
  10. uses plain grey boxes
  11. True
  12. 1
  13. tap “Start quiz”
  14. Save button
  15. poor design
  16. real users
  17. so anyone can follow
  18. 5
  19. 2
  20. see the home screen
  21. make a password
  22. shows where things go
  23. at the bottom
  24. list of items
  25. tab bar
  26. the back button
  27. Add button
  28. True
  29. menu icon
  30. True
  31. on the phone
  32. pick an answer
  33. so users do not get lost
  34. track the order
  35. menu icon
  36. 2
  37. 3
  38. 12
  39. 0
  40. 3

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