App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 943 · 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 notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pens → Search → Results → Offers → Pay
   Design B: Home → Menu → Results → Pens → Shop (a) Design B (b) Design A
3. 3.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) see the final score (b) tap “Start quiz”
4. 4.True or false: a final design has the real colours. (a) True (b) False
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Item → Address → Cart → Confirm
   Design B: Home → Pay → Cart → Size → Search → Menu → Results
6. 6.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) goes to the last screen
7. 7.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Edit photo”
   3. open “Map”
   4. tap Back
   Which screen are you on now? (a) Map (b) Lessons (c) Match report (d) Edit photo
9. 9.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) check the cart (d) pay for the order
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Search (c) Match report (d) Home
11. 11.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
12. 12.Which colour pair is hard to read? (a) black on yellow (b) white on dark green (c) pale pink on white (d) white on black
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now? (a) Settings (b) Chat (c) Feed
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) icons with no labels
17. 17.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
18. 18.True or false: a final design shows where things go. (a) False (b) True
19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ title text ]
    [ search box ]
    [ top bar ]
    [ menu icon ]
20. 20.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a simple screen sketch (d) a type of password
21. 21.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 68 px tall
    Back button: 36 px tall
    Done button: 56 px tall (a) Done (b) Back (c) Start
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) text that can grow
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now? (a) Badges (b) Edit photo (c) Map (d) Friend list
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) big touch targets (d) captions on videos
25. 25.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
26. 26.💾 What does this code show? (Positions start at 0.)
    let notes = ["Science", "Maths", "Sports", "Art"];
    show(notes[1]); (a) Maths (b) Science (c) Sports (d) Art
27. 27.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
28. 28.True or false: the screen layout is about UI (the look). (a) True (b) False
29. 29.Which of these is about UX (the experience)? (a) the theme colours (b) the icon shapes (c) the button colours (d) how users feel after
30. 30.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
31. 31.💾 What is a variable? (a) a picture (b) a phone setting (c) a type of screen (d) a named box for a value
32. 32.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a picture goes here (c) delete this (d) a closed app
33. 33.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ tab bar ]
    [ list of items ]
    [ Add button ]
    [ filter buttons ]
    [ menu icon ] (a) menu icon (b) tab bar (c) Add button (d) filter buttons
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
35. 35.Which of these is true of a wireframe? (a) shows the real fonts (b) uses the final pictures (c) is a quick sketch (d) looks like the real app
36. 36.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
38. 38.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ top bar ]
    [ Save button ]
    [ search box ]
    [ list of items ]
39. 39.💾 pop() takes off the last item. What does this code show?
    let songs = ["Monsoon", "Kites", "Rain"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Kites (c) Monsoon
40. 40.Which of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) a draft you are typing (d) chat messages to friends

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