App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 107 · 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.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Cancel button: 36 px tall
   Back button: 40 px tall
   Save button: 56 px tall
2. 2.🔀 What is a user flow? (a) a charging cable (b) a type of font (c) the path through screens (d) a colour theme
3. 3.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a closed app (c) a picture goes here (d) an error
4. 4.Which of these is true of a final design? (a) uses plain grey boxes (b) uses the final pictures (c) is a quick sketch (d) has no real colours
5. 5.Which of these is about UI (the look)? (a) how fast a task is done (b) how users feel after (c) how easy sign-up is (d) the theme colours
6. 6.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ tab bar ]
   [ list of items ]
   [ filter buttons ]
   [ title text ] (a) filter buttons (b) tab bar (c) list of items (d) title text
7. 7.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to hide the menu (d) to look busy
8. 8.🔢 In a sign-up flow, which comes LAST? (a) enter the code sent (b) tap “Sign up” (c) type name and email (d) see the home screen
9. 9.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) the theme colours (b) whether users get lost (c) how many taps it takes (d) how users feel after
11. 11.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) how users feel after (d) the icon shapes
12. 12.True or false: a final design shows where things go. (a) False (b) True
13. 13.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
14. 14.💾 What number does this code show?
    let stars = 8;
    stars = stars - 2;
    stars = stars + 4;
    show(stars);
15. 15.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
16. 16.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Save button: 60 px tall
    Start button: 36 px tall
    Send button: 60 px tall
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 44 px tall
    Save button: 52 px tall
    Cancel button: 52 px tall (a) Save (b) Cancel (c) Send
18. 18.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ title text ]
    [ tab bar ]
    [ big picture ] (a) tab bar (b) big picture (c) title text (d) list of items
19. 19.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
20. 20.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Cart → Shop → Search → Confirm → Address
    Design B: Home → Shop → Pay → Address → Size
22. 22.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) the button colours (d) whether users get lost
23. 23.🔢 In a food-order flow, what comes right after “open the menu”? (a) pick a dish (b) pay for the order (c) add it to the cart (d) check the cart
24. 24.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
25. 25.💾 Which works with no internet at all? (a) a cloud leaderboard (b) data saved on the phone (c) a cloud backup (d) a shared chat
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
27. 27.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Start button: 36 px tall
    Next button: 36 px tall
28. 28.💾 What number does this code show?
    let points = 3;
    points = points - 3;
    points = points + 3;
    show(points);
29. 29.True or false: a final design uses the final pictures. (a) False (b) True
30. 30.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) a bigger app (c) better UX (d) worse UX
31. 31.Which colour pair is easy to read? (a) white on dark green (b) red on green (c) dark blue on black (d) pale pink on white
32. 32.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
33. 33.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
34. 34.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) big touch targets (d) captions on videos
35. 35.💾 What does this code show? (Positions start at 0.)
    let songs = ["Rain", "Ocean", "Sunrise", "Monsoon", "Stars"];
    show(songs[2]); (a) Monsoon (b) Rain (c) Ocean (d) Sunrise
36. 36.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
37. 37.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
38. 38.💾 What number does this code show?
    let notes = ["Maths", "Science", "Music", "Art"];
    notes.push("Sports");
    notes.push("Hindi");
    show(notes.length);
39. 39.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
40. 40.Which of these is true of a final design? (a) shows where things go (b) has no real colours (c) has the real colours (d) uses plain grey boxes

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