App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 692 · 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.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
2. 2.🔍 Which is the odd one out? (a) how many taps it takes (b) the screen layout (c) how easy sign-up is (d) how fast a task is done
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. tap Back
   3. open “Badges”
   Which screen are you on now? (a) Search (b) Badges (c) Home (d) Profile
4. 4.🔘 Our rule: buttons are at least 48 px tall. The Send button is 44 px tall. How many px taller must it be?
5. 5.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ title text ]
   [ menu icon ]
   [ search box ]
   [ Add button ]
7. 7.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) pick an answer (b) see the final score
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. tap Back
   3. open “Match report”
   4. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🔍 Which is the odd one out? (a) how fast a task is done (b) how easy sign-up is (c) the icon shapes (d) whether users get lost
12. 12.True or false: grey text on grey is poor button design. (a) False (b) True
13. 13.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) open the camera screen (c) take the photo (d) add a filter
14. 14.Which of these is about UX (the experience)? (a) the font size (b) the button colours (c) the icon shapes (d) how users feel after
15. 15.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Results
    Design B: Home → Pens → Menu → Address → Pay → Cart → Confirm (a) Design B (b) Design A
16. 16.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) the icon shapes (d) how easy sign-up is
17. 17.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) tap “Start quiz” (b) read a question
18. 18.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
19. 19.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) see the final score (c) tap “Start quiz” (d) read a question
20. 20.Which colour pair is easy to read? (a) pale pink on white (b) light grey on white (c) yellow on white (d) black on yellow
21. 21.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
22. 22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Menu
    Design B: Home → Confirm → Menu → Size → Search (a) Design B (b) Design A
23. 23.🔍 Which is the odd one out? (a) how fast a task is done (b) whether users get lost (c) how many taps it takes (d) the button colours
24. 24.Which of these fits saving on the phone? (a) notes to read offline (b) a class leaderboard (c) photos on two devices (d) chat messages to friends
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now? (a) Score card (b) Feed (c) Map (d) Chat
26. 26.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ Save button ]
    [ Add button ]
    [ big picture ]
    [ menu icon ] (a) Add button (b) menu icon (c) Save button
27. 27.🎨 UX stands for user ___. (a) extra (b) experience (c) example (d) express
28. 28.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
29. 29.🔀 What is a user flow? (a) the path through screens (b) a charging cable (c) a colour theme (d) a type of font
30. 30.True or false: a big, easy tap area is poor button design. (a) False (b) True
31. 31.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) big touch targets
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
34. 34.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
35. 35.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
36. 36.💾 Which can hold many values in order? (a) a list (b) a button (c) a single number (d) a switch
37. 37.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Offers → Confirm → Item → Size
    Design B: Home → Cart → Offers → Pay → Shop → Size → Pens
39. 39.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
40. 40.💾 What does this code show? (Positions start at 0.)
    let friends = ["Kabir", "Arjun", "Meera", "Riya"];
    show(friends[2]); (a) Arjun (b) Meera (c) Riya (d) Kabir

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