App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 993 · 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.True or false: how users feel after is about UX (the experience). (a) True (b) False
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap the Search tab
   3. open “Badges”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
4. 4.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
5. 5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Cancel button: 32 px tall
   Send button: 56 px tall
   Next button: 36 px tall
   Save button: 36 px tall
6. 6.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
8. 8.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. tap Back
   3. open “Edit photo”
   4. tap Back
   5. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.💾 What number does this code show?
    let songs = ["Rain", "Monsoon"];
    songs.push("Stars");
    show(songs.length);
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) text that can grow
12. 12.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a closed app (c) delete this (d) a picture goes here
13. 13.True or false: a wireframe shows where things go. (a) True (b) False
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Chat (b) Settings (c) Feed (d) Match report
15. 15.🎨 UX stands for user ___. (a) express (b) example (c) extra (d) experience
16. 16.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a clear next step (c) a dead end (d) the same screen
17. 17.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) icons with no labels
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Address → Menu → Pens → Confirm → Pay → Search
    Design B: Home → Offers → Item → Cart → Pay
19. 19.💾 What does this code show? (Positions start at 0.)
    let notes = ["Maths", "Art", "Hindi", "Sports"];
    show(notes[0]); (a) Art (b) Maths (c) Sports (d) Hindi
20. 20.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) see the final score (c) see if it is right (d) pick an answer
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
22. 22.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
23. 23.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) photos on two devices (d) notes to read offline
24. 24.🔢 In a photo-post flow, which comes first: “post the photo” or “take the photo”? (a) take the photo (b) post the photo
25. 25.Which of these is about UX (the experience)? (a) the icon shapes (b) how easy sign-up is (c) the button colours (d) the font size
26. 26.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
27. 27.True or false: a tiny 20 px button is poor button design. (a) True (b) False
28. 28.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) never need a password (c) use it on any device (d) shrink the app
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Title: 20 px
    Footer: 10 px
    Menu: 24 px (a) Title (b) Body text (c) Menu (d) Footer
30. 30.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) see if it is right (b) read a question (c) tap “Start quiz” (d) see the final score
31. 31.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ Add button ]
    [ menu icon ]
    [ Save button ]
    [ title text ]
    [ search box ] (a) Add button (b) Save button (c) menu icon (d) search box
32. 32.Which of these fits saving in the cloud? (a) photos on two devices (b) the sound on/off setting (c) a draft you are typing (d) notes to read offline
33. 33.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
34. 34.Which of these fits saving on the phone? (a) chat messages to friends (b) photos on two devices (c) your last game level (d) a shared to-do list
35. 35.🔢 In a sign-up flow, which comes LAST? (a) make a password (b) see the home screen (c) enter the code sent (d) open the app
36. 36.💾 pop() takes off the last item. What does this code show?
    let friends = ["Riya", "Meera", "Zoya", "Arjun", "Aman"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Arjun (b) Meera (c) Zoya (d) Riya
37. 37.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Pens → Results
    Design B: Home → Search → Item → Size → Results → Menu (a) Design A (b) Design B
38. 38.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) take the photo (c) post the photo (d) add a filter
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ top bar ]
    [ search box ]
    [ Save button ]
    [ menu icon ]
    [ big picture ]
40. 40.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False

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