App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 785 · 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.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
2. 2.🖼️ In this wireframe (top to bottom), what is right below the big picture?
   [ menu icon ]
   [ big picture ]
   [ Add button ]
   [ filter buttons ]
   [ tab bar ] (a) Add button (b) tab bar (c) filter buttons (d) menu icon
3. 3.🔢 In a sign-up flow, what comes right after “type name and email”? (a) enter the code sent (b) make a password (c) tap “Sign up” (d) open the app
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) fast typists (d) the battery
5. 5.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
6. 6.💾 What number does this code show?
   let lives = 7;
   lives = lives - 6;
   lives = lives + 5;
   show(lives);
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Friend list”
   2. tap Back
   3. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
10. 10.Which of these is true of a wireframe? (a) has the real colours (b) is a quick sketch (c) shows the real fonts (d) uses the final pictures
11. 11.🔢 In a quiz-app flow, which comes first: “read a question” or “pick an answer”? (a) read a question (b) pick an answer
12. 12.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
13. 13.🔢 In a sign-up flow, which comes first: “open the app” or “enter the code sent”? (a) enter the code sent (b) open the app
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now? (a) Match report (b) Friend list (c) Search (d) Home
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 32 px tall
    Cancel button: 44 px tall
    Start button: 36 px tall
17. 17.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) skip the internet (c) never need a password (d) use it on any device
18. 18.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ big picture ]
    [ top bar ]
    [ tab bar ]
    [ title text ]
    [ list of items ] (a) big picture (b) list of items (c) title text (d) tab bar
19. 19.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ list of items ]
    [ top bar ]
    [ Add button ]
    [ title text ]
    [ menu icon ]
    [ filter buttons ] (a) list of items (b) filter buttons (c) menu icon (d) Add button
20. 20.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ tab bar ]
    [ big picture ]
    [ list of items ]
    [ top bar ]
    [ Save button ]
    [ title text ] (a) top bar (b) list of items (c) Save button (d) big picture
21. 21.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
22. 22.🔢 In a photo-post flow, what comes right after “add a filter”? (a) write a caption (b) take the photo (c) open the camera screen (d) post the photo
23. 23.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ filter buttons ]
    [ search box ]
    [ list of items ]
    [ title text ] (a) list of items (b) filter buttons (c) title text
24. 24.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
25. 25.💾 What number does this code show?
    let stars = 3;
    stars = stars - 1;
    stars = stars + 2;
    show(stars);
26. 26.True or false: a big, easy tap area is poor button design. (a) True (b) False
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
28. 28.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) big touch targets (d) fast-flashing lights
30. 30.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
31. 31.💾 Which works with no internet at all? (a) a cloud backup (b) data saved on the phone (c) a shared chat (d) a cloud leaderboard
32. 32.💾 What number does this code show?
    let notes = ["Sports", "Music", "Maths"];
    notes.push("Art");
    notes.push("Science");
    show(notes.length);
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 22 px
    Hint: 16 px
    Menu: 17 px (a) Caption (b) Footer (c) Hint (d) Menu
34. 34.🎨 UI stands for user ___. (a) input (b) internet (c) interface (d) idea
35. 35.🔍 Which is the odd one out? (a) the theme colours (b) the screen layout (c) the icon shapes (d) how easy sign-up is
36. 36.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe
37. 37.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) sudden loud sounds
38. 38.🔍 Which is the odd one out? (a) how many taps it takes (b) the button colours (c) the font size (d) the icon shapes
39. 39.💾 pop() takes off the last item. What does this code show?
    let notes = ["Art", "Music", "Maths", "Sports", "Hindi"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Sports (c) Music (d) Art
40. 40.True or false: a clear word like Save is good button design. (a) False (b) True

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