App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 858 · 40 questions

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.

1. 1.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Item → Search → Cart → Shop → Size → Menu
   Design B: Home → Menu → Search → Cart → Offers
2. 2.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 56 px tall
   Help button: 48 px tall
   Done button: 68 px tall
   Cancel button: 24 px tall (a) Cancel (b) Help (c) Done (d) Send
3. 3.🔍 Which is the odd one out? (a) the icon shapes (b) whether users get lost (c) how many taps it takes (d) how easy sign-up is
4. 4.True or false: the sound on/off setting fits saving on the phone. (a) True (b) False
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. tap Back
   3. open “Score card”
   4. tap Back
   5. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 48 px tall
   Send button: 64 px tall
   Done button: 52 px tall
   Next button: 44 px tall (a) Send (b) Next (c) Done (d) Start
7. 7.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
8. 8.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
9. 9.🔢 In a food-order flow, which comes first: “check the cart” or “add it to the cart”? (a) add it to the cart (b) check the cart
10. 10.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 52 px tall
    Save button: 68 px tall
    Send button: 56 px tall
    Done button: 28 px tall (a) Save (b) Back (c) Done (d) Send
11. 11.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a type of password (d) a simple screen sketch
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
13. 13.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) shows 3 to 5 icons
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Search → Shop → Results → Item → Menu
    Design B: Home → Pens → Cart → Search → Menu → Confirm
15. 15.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
16. 16.Which colour pair is easy to read? (a) light grey on white (b) red on green (c) pale pink on white (d) dark blue on white
17. 17.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
20. 20.True or false: a final design uses plain grey boxes. (a) True (b) False
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Size → Pens
    Design B: Home → Cart → Confirm
22. 22.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “open the app”? (a) open the app (b) tap “Sign up”
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Confirm
    Design B: Home → Offers → Pens → Item → Address → Size → Confirm
24. 24.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ Save button ]
    [ list of items ]
    [ menu icon ]
    [ big picture ] (a) Save button (b) list of items (c) big picture
25. 25.True or false: a final design shows where things go. (a) False (b) True
26. 26.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ Add button ]
    [ list of items ]
    [ tab bar ]
    [ filter buttons ]
    [ title text ] (a) list of items (b) tab bar (c) title text (d) Add button
27. 27.🔢 In a sign-up flow, which comes first: “see the home screen” or “type name and email”? (a) type name and email (b) see the home screen
28. 28.🔢 In a photo-post flow, which comes first: “open the camera screen” or “post the photo”? (a) post the photo (b) open the camera screen
29. 29.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Label: 17 px
    Caption: 13 px
    Footer: 17 px (a) Caption (b) Label (c) Footer (d) Hint
31. 31.True or false: the button colours is about UX (the experience). (a) False (b) True
32. 32.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
33. 33.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) how many taps it takes (d) the screen layout
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) the icon shapes (d) how users feel after
36. 36.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) fast-flashing lights
37. 37.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) tap “Start quiz” (b) read a question
38. 38.💾 What number does this code show?
    let points = 8;
    points = points - 1;
    points = points + 2;
    show(points);
39. 39.True or false: space between buttons is good button design. (a) True (b) False
40. 40.Which of these fits saving in the cloud? (a) a draft you are typing (b) your last game level (c) chat messages to friends (d) notes to read offline

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