App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 525 · 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 fits saving in the cloud? (a) your last game level (b) chat messages to friends (c) the sound on/off setting (d) a draft you are typing
2. 2.True or false: the button colours is about UI (the look). (a) False (b) True
3. 3.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) pick an answer (c) see the final score (d) see if it is right
4. 4.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
5. 5.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) take the photo (d) post the photo
6. 6.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Search tab
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 40 px tall
   Save button: 56 px tall
   Help button: 52 px tall (a) Help (b) Start (c) Save
10. 10.True or false: a final design looks like the real app. (a) True (b) False
11. 11.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 64 px tall
    Save button: 24 px tall
    Send button: 60 px tall
    Back button: 60 px tall (a) Save (b) Send (c) Back (d) Start
12. 12.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) pick an answer (c) tap “Start quiz” (d) see the final score
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Lessons (b) Score card (c) Quiz (d) Me
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ menu icon ]
    [ tab bar ]
    [ top bar ]
    [ title text ]
    [ list of items ] (a) list of items (b) search box (c) menu icon (d) tab bar
15. 15.✏️ Why draw a wireframe before coding? (a) it saves data (b) it adds colours (c) it runs the app (d) changes are quick
16. 16.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
17. 17.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) has no real colours (d) uses the final pictures
18. 18.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) dark blue on black (d) black on pale grey
19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Map”
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now? (a) Feed (b) Badges (c) Map (d) Video
20. 20.💾 What is a variable? (a) a named box for a value (b) a phone setting (c) a type of screen (d) a picture
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Body text: 22 px
    Caption: 10 px
    Menu: 10 px
22. 22.🔢 In a photo-post flow, which comes first: “take the photo” or “write a caption”? (a) write a caption (b) take the photo
23. 23.🎨 Who should you test the UX with? (a) real users (b) the app icon (c) only yourself (d) nobody
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
26. 26.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
27. 27.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
28. 28.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) read a question (c) pick an answer (d) tap “Start quiz”
29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
30. 30.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
31. 31.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
32. 32.✏️ What is a wireframe? (a) a simple screen sketch (b) a type of password (c) a charging cable (d) the finished app
33. 33.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) switches main sections
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Map”
    4. tap the Feed tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Pay → Address → Menu → Search
    Design B: Home → Search → Menu
36. 36.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ list of items ]
    [ big picture ]
    [ tab bar ]
    [ search box ]
37. 37.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) take the photo (c) add a filter (d) open the camera screen
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Body text: 14 px
    Hint: 24 px
    Footer: 21 px (a) Hint (b) Footer (c) Title (d) Body text
39. 39.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) tiny tap areas
40. 40.🔢 In a food-order flow, which comes first: “add it to the cart” or “check the cart”? (a) add it to the cart (b) check the cart

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students