App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 891 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ menu icon ]
   [ Save button ]
   [ top bar ]
   [ list of items ]
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Pens → Cart → Menu
   Design B: Home → Item → Cart → Confirm → Address → Size → Pay
3. 3.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
   [ Add button ]
   [ filter buttons ]
   [ tab bar ]
   [ search box ] (a) filter buttons (b) Add button (c) search box
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Results → Cart → Address → Offers → Menu → Pay
   Design B: Home → Shop → Menu → Address → Search → Cart (a) Design A (b) Design B
5. 5.Which of these is true of a final design? (a) has no real colours (b) uses plain grey boxes (c) is a quick sketch (d) looks like the real app
6. 6.💾 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
7. 7.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) an error (c) a picture goes here (d) delete this
8. 8.💾 What number does this code show?
   let notes = ["Science", "Sports", "Art", "Maths"];
   notes.push("Hindi");
   show(notes.length);
9. 9.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
10. 10.🔍 Which is the odd one out? (a) whether users get lost (b) how many taps it takes (c) the theme colours (d) how users feel after
11. 11.Which colour pair is hard to read? (a) white on dark green (b) black on pale grey (c) white on black (d) pale pink on white
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ menu icon ]
    [ Add button ]
    [ top bar ]
    [ tab bar ]
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now? (a) Profile (b) Badges (c) Home (d) Search
14. 14.True or false: a wireframe has no real colours. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) text that can grow (d) labels on every icon
16. 16.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
17. 17.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Size → Shop → Item → Offers
    Design B: Home → Results → Shop (a) Design A (b) Design B
19. 19.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) the button colours (d) how fast a task is done
20. 20.🔍 Which is the odd one out? (a) how easy sign-up is (b) the icon shapes (c) how users feel after (d) whether users get lost
21. 21.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 32 px tall
    Next button: 60 px tall
    Cancel button: 36 px tall
    Help button: 36 px tall
22. 22.🔢 In a quiz-app flow, which comes LAST? (a) read a question (b) see if it is right (c) pick an answer (d) see the final score
23. 23.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 44 px tall
    Save button: 48 px tall
    Next button: 56 px tall
    Cancel button: 48 px tall (a) Next (b) Cancel (c) Done (d) Save
24. 24.True or false: a draft you are typing fits saving in the cloud. (a) False (b) True
25. 25.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 56 px tall
    Start button: 24 px tall
    Save button: 48 px tall
    Next button: 68 px tall (a) Save (b) Send (c) Next (d) Start
26. 26.🔀 What is a user flow? (a) a charging cable (b) the path through screens (c) a colour theme (d) a type of font
27. 27.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Cart → Pay → Confirm → Address
    Design B: Home → Address → Cart (a) Design B (b) Design A
29. 29.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Science", "Art", "Sports", "Music"];
    show(notes[4]); (a) Science (b) Hindi (c) Art (d) Music
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
32. 32.True or false: buttons almost touching is good button design. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Footer: 10 px
    Hint: 26 px (a) Caption (b) Hint (c) Footer
34. 34.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Body text: 24 px
    Label: 20 px
    Hint: 15 px
    Title: 18 px
36. 36.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ big picture ]
    [ title text ]
    [ top bar ]
    [ list of items ]
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) no UI at all (c) perfect UX (d) good UI but poor UX
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.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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