App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 545 · 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.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
   [ list of items ]
   [ search box ]
   [ tab bar ]
   [ Add button ]
   [ top bar ] (a) search box (b) top bar (c) Add button (d) list of items
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Search → Confirm → Menu → Item → Pay
   Design B: Home → Pay → Results → Cart → Item → Confirm → Menu
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.🎨 Who should you test the UX with? (a) real users (b) nobody (c) the app icon (d) only yourself
5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 22 px
   Menu: 18 px
   Title: 12 px (a) Hint (b) Title (c) Menu
7. 7.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Shop → Pens → Item → Offers
   Design B: Home → Search → Menu → Address → Results → Confirm → Size
8. 8.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
9. 9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ filter buttons ]
   [ search box ]
   [ Add button ]
   [ list of items ]
   [ title text ]
   [ big picture ] (a) title text (b) big picture (c) filter buttons (d) search box
10. 10.🔢 In a sign-up flow, what comes right after “open the app”? (a) make a password (b) tap “Sign up” (c) type name and email (d) enter the code sent
11. 11.Which of these fits saving in the cloud? (a) photos on two devices (b) your last game level (c) notes to read offline (d) the sound on/off setting
12. 12.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) the screen turns off (c) you send a message (d) the app is closed
13. 13.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) no UI at all (c) good UX but poor UI (d) good UI but poor UX
14. 14.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) type name and email (b) open the app
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ menu icon ]
    [ title text ]
    [ search box ] (a) search box (b) title text (c) top bar (d) menu icon
17. 17.True or false: the font size is about UI (the look). (a) True (b) False
18. 18.True or false: a final design looks like the real app. (a) False (b) True
19. 19.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
21. 21.Which of these is true of a final design? (a) has no real colours (b) is a quick sketch (c) looks like the real app (d) uses plain grey boxes
22. 22.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the screen layout (c) the font size (d) the button colours
23. 23.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
24. 24.True or false: a wireframe uses plain grey boxes. (a) False (b) True
25. 25.🎨 UI stands for user ___. (a) input (b) internet (c) idea (d) interface
26. 26.True or false: the button colours is about UI (the look). (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Hint: 21 px
    Body text: 23 px
    Title: 13 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 17 px
    Menu: 25 px
    Hint: 13 px (a) Hint (b) Body text (c) Title (d) Menu
29. 29.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
30. 30.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
31. 31.💾 What number does this code show?
    let notes = ["Art", "Sports"];
    notes.push("Music");
    notes.push("Maths");
    show(notes.length);
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    Which screen are you on now? (a) Search (b) Edit photo (c) Home (d) Score card
33. 33.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now? (a) Settings (b) Badges (c) Chat (d) Feed
35. 35.Which of these is true of a wireframe? (a) uses the final pictures (b) is a quick sketch (c) looks like the real app (d) has the real colours
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ menu icon ]
    [ list of items ]
    [ top bar ]
    [ title text ]
    [ big picture ] (a) big picture (b) top bar (c) title text (d) menu icon
38. 38.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) pick a dish (c) check the cart (d) track the order
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Search tab
    4. open “Match report”
    5. tap the Home tab
    Which screen are you on now? (a) Friend list (b) Edit photo (c) Home (d) Match report
40. 40.💾 pop() takes off the last item. What does this code show?
    let songs = ["Monsoon", "Kites", "Stars", "Rain", "Sunrise"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Stars (b) Monsoon (c) Rain (d) Kites

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