App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 661 · 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.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
2. 2.🖼️ In this wireframe (top to bottom), what is right below the list of items?
   [ top bar ]
   [ search box ]
   [ list of items ]
   [ big picture ] (a) search box (b) big picture (c) top bar
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Edit photo”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ top bar ]
   [ filter buttons ]
   [ title text ]
   [ list of items ] (a) filter buttons (b) list of items (c) top bar (d) title text
5. 5.True or false: the button colours is about UX (the experience). (a) False (b) True
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ big picture ]
   [ filter buttons ]
   [ Add button ]
   [ menu icon ]
7. 7.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) see if it is right (c) pick an answer (d) see the final score
8. 8.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
9. 9.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
12. 12.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) better UX (c) worse UX (d) a bigger app
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
14. 14.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
15. 15.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 56 px tall
    Back button: 48 px tall
    Cancel button: 60 px tall
    Help button: 32 px tall (a) Next (b) Cancel (c) Back (d) Help
16. 16.Which of these fits saving on the phone? (a) your last game level (b) photos on two devices (c) chat messages to friends (d) a shared to-do list
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Home (c) Match report (d) Friend list
18. 18.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) read a question (b) see the final score (c) see if it is right (d) pick an answer
20. 20.💾 What is a variable? (a) a picture (b) a type of screen (c) a phone setting (d) a named box for a value
21. 21.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to add colour (d) to slow them down
22. 22.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ search box ]
    [ menu icon ]
    [ title text ]
    [ top bar ]
    [ tab bar ] (a) search box (b) tab bar (c) title text (d) top bar
23. 23.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Footer: 11 px
    Menu: 25 px (a) Menu (b) Footer (c) Label
25. 25.True or false: a class leaderboard fits saving on the phone. (a) True (b) False
26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.True or false: a wireframe has the real colours. (a) True (b) False
28. 28.Which of these is about UX (the experience)? (a) how fast a task is done (b) the icon shapes (c) the font size (d) the theme colours
29. 29.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
30. 30.💾 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
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Offers → Confirm → Search → Pens
    Design B: Home → Search → Size → Confirm → Item → Pens → Pay
32. 32.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) looks like the real app (d) has no real colours
33. 33.💾 pop() takes off the last item. What does this code show?
    let notes = ["Music", "Hindi", "Art"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Music (b) Art (c) Hindi
34. 34.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) undoes one move
35. 35.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
36. 36.🎨 UI stands for user ___. (a) input (b) interface (c) internet (d) idea
37. 37.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
38. 38.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) tap “Sign up” (b) type name and email
39. 39.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
40. 40.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) add it to the cart (c) check the cart (d) track the order

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