App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 555 · 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.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see the final score”? (a) see the final score (b) pick an answer
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. open “Help page”
   3. open “Help page”
   4. tap the Home tab
   5. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🎨 UI stands for user ___. (a) internet (b) idea (c) input (d) interface
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 40 px tall
   Done button: 72 px tall
   Save button: 60 px tall
   Start button: 72 px tall (a) Start (b) Save (c) Done (d) Send
5. 5.True or false: a final design looks like the real app. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) sudden loud sounds
7. 7.True or false: your last game level fits saving on the phone. (a) False (b) True
8. 8.True or false: a clear word like Save is poor button design. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 28 px
   Title: 10 px
   Hint: 28 px
   Footer: 23 px (a) Hint (b) Body text (c) Title (d) Footer
10. 10.💾 What is a variable? (a) a phone setting (b) a picture (c) a named box for a value (d) a type of screen
11. 11.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ search box ]
    [ big picture ]
    [ list of items ]
    [ Add button ] (a) Add button (b) big picture (c) list of items
12. 12.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
13. 13.Which colour pair is hard to read? (a) dark blue on white (b) dark blue on black (c) black on pale grey (d) white on black
14. 14.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) switches main sections
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Pens → Menu → Pay → Offers → Results
    Design B: Home → Results → Size → Item → Pens → Pay
16. 16.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) hides extra links
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 32 px tall
    Cancel button: 56 px tall
    Done button: 72 px tall (a) Done (b) Send (c) Cancel
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ search box ]
    [ top bar ]
    [ tab bar ]
19. 19.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
20. 20.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) the theme colours (b) the icon shapes (c) how users feel after (d) the font size
22. 22.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch
23. 23.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) add it to the cart (c) open the menu (d) pick a dish
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Badges”
    Which screen are you on now? (a) Edit photo (b) Score card (c) Home (d) Badges
25. 25.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
26. 26.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
27. 27.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a microphone (c) a 3D printer (d) pencil and paper
28. 28.True or false: the button colours is about UI (the look). (a) True (b) False
29. 29.True or false: a wireframe uses the final pictures. (a) False (b) True
30. 30.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
    [ top bar ]
    [ Save button ]
    [ big picture ]
    [ tab bar ]
    [ list of items ]
    [ filter buttons ] (a) list of items (b) big picture (c) filter buttons (d) Save button
31. 31.Which colour pair is easy to read? (a) light grey on white (b) black on yellow (c) yellow on white (d) dark blue on black
32. 32.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) take the photo (b) open the camera screen
33. 33.Which colour pair is easy to read? (a) dark blue on black (b) yellow on white (c) red on green (d) white on dark green
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) type name and email (c) tap “Sign up” (d) open the app
36. 36.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
37. 37.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) tap “Sign up” (b) make a password
38. 38.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
39. 39.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 52 px tall
    Help button: 44 px tall
    Cancel button: 32 px tall
    Save button: 36 px tall
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Confirm → Offers → Size → Item → Shop
    Design B: Home → Pens → Size → Menu → Item → Shop (a) Design B (b) Design A

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