App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 676 · 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.Which of these is about UI (the look)? (a) how easy sign-up is (b) whether users get lost (c) how many taps it takes (d) the font size
2. 2.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
3. 3.🖼️ How many parts (boxes) does this wireframe have?
   [ title text ]
   [ search box ]
   [ tab bar ]
   [ filter buttons ]
   [ big picture ]
   [ menu icon ]
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Title: 13 px
   Label: 11 px
5. 5.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
6. 6.Which of these is about UX (the experience)? (a) how fast a task is done (b) the theme colours (c) the font size (d) the icon shapes
7. 7.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
8. 8.True or false: a final design uses plain grey boxes. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) how fast a task is done (b) whether users get lost (c) the icon shapes (d) how many taps it takes
10. 10.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
11. 11.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ search box ]
    [ filter buttons ]
    [ tab bar ]
    [ Save button ] (a) Save button (b) search box (c) tab bar
12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) sits at the bottom
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) pay for the order (c) check the cart (d) track the order
16. 16.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) worse UX (c) better UX (d) a bigger app
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Size → Results → Offers → Cart
    Design B: Home → Menu → Results → Shop → Size → Cart → Search
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) sudden loud sounds
19. 19.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Meera", "Zoya"];
    show(friends[0]); (a) Zoya (b) Arjun (c) Meera
20. 20.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ search box ]
    [ title text ]
    [ top bar ]
    [ list of items ]
    [ filter buttons ] (a) search box (b) list of items (c) filter buttons (d) title text
21. 21.💾 pop() takes off the last item. What does this code show?
    let notes = ["Music", "Hindi", "Maths", "Sports"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Sports (b) Music (c) Maths (d) Hindi
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) icons with no labels (d) text that can grow
23. 23.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
24. 24.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) no UI at all (c) good UX but poor UI (d) good UI but poor UX
25. 25.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
27. 27.🔍 Which is the odd one out? (a) how easy sign-up is (b) how many taps it takes (c) the theme colours (d) whether users get lost
28. 28.Which colour pair is easy to read? (a) pale pink on white (b) red on green (c) yellow on white (d) white on black
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
31. 31.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) write a caption (b) post the photo
32. 32.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Menu
    Design B: Home → Confirm → Cart → Menu → Size → Results → Address
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap the Me tab
    5. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Video (c) Score card (d) Lessons
35. 35.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 36 px tall
    Help button: 48 px tall
    Done button: 68 px tall (a) Done (b) Help (c) Save
36. 36.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
37. 37.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 0 (c) 2 (d) 10
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Help page”
    Which screen are you on now? (a) Home (b) Badges (c) Edit photo (d) Help page
39. 39.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) see the final score (b) tap “Start quiz”
40. 40.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ tab bar ]
    [ menu icon ]
    [ filter buttons ] (a) title text (b) filter buttons (c) tab bar (d) menu icon

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