App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 872 · 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.True or false: a clear word like Save is poor button design. (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 18 px
   Body text: 10 px
   Title: 24 px
   Footer: 22 px (a) Footer (b) Body text (c) Menu (d) Title
3. 3.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
4. 4.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
5. 5.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Cancel button: 28 px tall
   Done button: 52 px tall
   Send button: 52 px tall (a) Done (b) Cancel (c) Send
6. 6.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
7. 7.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) see the home screen (d) type name and email
8. 8.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) perfect UX (c) good UX but poor UI (d) no UI at all
9. 9.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Results → Confirm
   Design B: Home → Shop → Offers → Pay (a) Design B (b) Design A
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Shop → Pay → Item
    Design B: Home → Pens → Confirm
11. 11.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Home (c) Help page (d) Match report
13. 13.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) chat messages to friends (d) notes to read offline
14. 14.Which colour pair is hard to read? (a) dark blue on white (b) black on pale grey (c) black on yellow (d) light grey on white
15. 15.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
16. 16.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy
17. 17.💾 What does this code show? (Positions start at 0.)
    let notes = ["Sports", "Music", "Art", "Science"];
    show(notes[2]); (a) Science (b) Music (c) Art (d) Sports
18. 18.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ title text ]
    [ filter buttons ]
    [ search box ]
    [ big picture ]
    [ Save button ] (a) title text (b) filter buttons (c) big picture (d) Save button
19. 19.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 52 px tall
    Done button: 44 px tall
    Help button: 56 px tall
    Cancel button: 68 px tall (a) Cancel (b) Help (c) Done (d) Back
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ Add button ]
    [ title text ]
    [ big picture ]
    [ list of items ]
    [ Save button ] (a) title text (b) Add button (c) filter buttons (d) Save button
22. 22.Which of these is about UX (the experience)? (a) the theme colours (b) the screen layout (c) the icon shapes (d) how many taps it takes
23. 23.💾 What number does this code show?
    let stars = 6;
    stars = stars - 5;
    stars = stars + 3;
    show(stars);
24. 24.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
25. 25.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Body text: 15 px
    Title: 18 px
27. 27.Which of these is about UI (the look)? (a) the screen layout (b) whether users get lost (c) how fast a task is done (d) how easy sign-up is
28. 28.💾 What number does this code show?
    let score = 9;
    score = score - 4;
    score = score + 3;
    show(score);
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 52 px tall
    Next button: 60 px tall
    Done button: 56 px tall
    Cancel button: 36 px tall (a) Cancel (b) Done (c) Save (d) Next
30. 30.Which of these is true of a wireframe? (a) uses the final pictures (b) shows the real fonts (c) shows where things go (d) looks like the real app
31. 31.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ list of items ]
    [ menu icon ]
    [ filter buttons ]
    [ top bar ]
    [ Add button ]
    [ tab bar ] (a) tab bar (b) filter buttons (c) menu icon (d) top bar
32. 32.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Body text: 9 px
    Caption: 19 px (a) Footer (b) Body text (c) Caption
34. 34.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Sports", "Maths", "Music", "Science"];
    show(notes[1]); (a) Hindi (b) Sports (c) Maths (d) Music
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Edit photo (b) Home (c) Map (d) Friend list
36. 36.🔘 Our rule: buttons are at least 48 px tall. The Save button is 44 px tall. How many px taller must it be?
37. 37.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) never need a password (c) shrink the app (d) skip the internet
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    4. open “Help page”
    5. open “Video”
    Which screen are you on now? (a) Chat (b) Help page (c) Video (d) Feed
39. 39.💾 What number does this code show?
    let points = 6;
    points = points - 2;
    points = points + 2;
    show(points);
40. 40.True or false: a clear word like Save is good button design. (a) False (b) True

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