App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 874 · 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.🎨 UX stands for user ___. (a) extra (b) express (c) experience (d) example
2. 2.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Label: 22 px
   Footer: 22 px
   Body text: 10 px
   Caption: 15 px
4. 4.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) pick a dish (c) pay for the order (d) track the order
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. tap the Chat tab
   3. open “Badges”
   Which screen are you on now? (a) Badges (b) Edit photo (c) Feed (d) Chat
6. 6.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) switches main sections
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
8. 8.🔢 In a photo-post flow, what comes right after “write a caption”? (a) post the photo (b) add a filter (c) take the photo (d) open the camera screen
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. open “Score card”
   3. tap Back
   Which screen are you on now? (a) Feed (b) Badges (c) Chat (d) Score card
10. 10.🔍 Which is the odd one out? (a) whether users get lost (b) how users feel after (c) how many taps it takes (d) the icon shapes
11. 11.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ search box ]
    [ big picture ]
    [ Add button ]
    [ top bar ]
    [ menu icon ]
12. 12.💾 What number does this code show?
    let notes = ["Maths", "Art", "Science", "Music"];
    notes.push("Hindi");
    show(notes.length);
13. 13.🎨 UI stands for user ___. (a) internet (b) idea (c) input (d) interface
14. 14.Which of these fits saving on the phone? (a) chat messages to friends (b) photos on two devices (c) the sound on/off setting (d) a class leaderboard
15. 15.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
16. 16.True or false: photos on two devices fits saving on the phone. (a) True (b) False
17. 17.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) captions on videos
18. 18.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Hint: 13 px
    Title: 14 px
    Body text: 12 px
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
21. 21.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) big touch targets
22. 22.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
23. 23.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
24. 24.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Offers → Search → Results → Shop → Menu
    Design B: Home → Cart → Menu → Shop
26. 26.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) pick an answer (c) see the final score (d) read a question
27. 27.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
28. 28.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Add button ]
    [ search box ]
    [ filter buttons ]
29. 29.Which of these is true of a final design? (a) shows where things go (b) looks like the real app (c) uses plain grey boxes (d) has no real colours
30. 30.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Body text: 23 px
    Label: 16 px
    Menu: 14 px
32. 32.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) icons with no labels (d) colour as the only clue
34. 34.💾 pop() takes off the last item. What does this code show?
    let friends = ["Meera", "Zoya", "Riya", "Kabir", "Arjun"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Riya (b) Zoya (c) Kabir (d) Meera
35. 35.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
36. 36.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) pick an answer (c) tap “Start quiz” (d) see the final score
37. 37.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
38. 38.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) the app icon (d) nobody
39. 39.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ Save button ]
    [ big picture ]
    [ search box ]
    [ menu icon ]
    [ tab bar ]
    [ title text ] (a) tab bar (b) title text (c) menu icon (d) search box
40. 40.💾 What is a variable? (a) a type of screen (b) a picture (c) a phone setting (d) a named box for a value

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