App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 975 · 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.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
2. 2.🎨 UI stands for user ___. (a) input (b) internet (c) interface (d) idea
3. 3.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
4. 4.💾 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
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Next button is 24 px tall. How many px taller must it be?
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Map”
   2. tap the Lessons tab
   3. open “Match report”
   4. tap the Lessons tab
   Which screen are you on now? (a) Match report (b) Quiz (c) Map (d) Lessons
7. 7.🔢 In a quiz-app flow, which comes LAST? (a) read a question (b) tap “Start quiz” (c) pick an answer (d) see the final score
8. 8.Which of these is about UI (the look)? (a) how fast a task is done (b) how users feel after (c) whether users get lost (d) the screen layout
9. 9.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) fast-flashing lights
11. 11.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
12. 12.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ tab bar ]
    [ search box ]
    [ top bar ]
    [ big picture ] (a) big picture (b) top bar (c) tab bar
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
16. 16.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) how users feel after
17. 17.Which of these is true of a final design? (a) uses the final pictures (b) uses plain grey boxes (c) is a quick sketch (d) has no real colours
18. 18.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ Save button ]
    [ search box ]
    [ menu icon ]
    [ top bar ]
    [ title text ]
    [ filter buttons ] (a) Save button (b) filter buttons (c) search box (d) top bar
19. 19.Which colour pair is hard to read? (a) dark blue on white (b) black on pale grey (c) white on dark green (d) red on green
20. 20.🔀 What is a user flow? (a) the path through screens (b) a type of font (c) a charging cable (d) a colour theme
21. 21.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the phone settings (d) the last app used
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
23. 23.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) write a caption (b) add a filter (c) post the photo (d) take the photo
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 60 px tall
    Help button: 40 px tall
    Send button: 36 px tall
26. 26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ top bar ]
    [ search box ]
    [ list of items ] (a) top bar (b) list of items (c) search box (d) filter buttons
27. 27.💾 What number does this code show?
    let notes = ["Music", "Science", "Hindi", "Sports"];
    notes.push("Maths");
    notes.push("Art");
    show(notes.length);
28. 28.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
31. 31.🔍 Which is the odd one out? (a) how easy sign-up is (b) how users feel after (c) the icon shapes (d) whether users get lost
32. 32.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
33. 33.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
34. 34.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) delete this (c) a closed app (d) a picture goes here
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Address → Search → Confirm
    Design B: Home → Offers → Address → Menu → Item → Pay
36. 36.🎨 Fewer taps to finish a task usually means ___. (a) better UX (b) worse UX (c) a bigger app (d) more colours
37. 37.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
38. 38.💾 What number does this code show?
    let notes = ["Maths", "Sports", "Music"];
    notes.push("Science");
    notes.push("Art");
    show(notes.length);
39. 39.🔀 Why plan the user flow before building? (a) to skip testing (b) to add more taps (c) so each step is clear (d) to hide the buttons
40. 40.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 64 px tall
    Help button: 32 px tall
    Cancel button: 40 px tall
    Start button: 60 px tall

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