App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 486 · 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 food-order flow, which comes first: “check the cart” or “open the menu”? (a) open the menu (b) check the cart
2. 2.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. open “Match report”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
4. 4.True or false: your last game level fits saving on the phone. (a) False (b) True
5. 5.✏️ What is a wireframe? (a) a simple screen sketch (b) a charging cable (c) a type of password (d) the finished app
6. 6.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
7. 7.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
8. 8.🔘 Our rule: buttons are at least 48 px tall. The Done button is 40 px tall. How many px taller must it be?
9. 9.Which of these fits saving in the cloud? (a) notes to read offline (b) a shared to-do list (c) the sound on/off setting (d) a draft you are typing
10. 10.Which colour pair is hard to read? (a) dark blue on white (b) red on green (c) black on yellow (d) white on dark green
11. 11.🔀 What is a user flow? (a) a charging cable (b) a type of font (c) the path through screens (d) a colour theme
12. 12.Which colour pair is easy to read? (a) red on green (b) pale pink on white (c) light grey on white (d) white on black
13. 13.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) read a question (b) see the final score (c) pick an answer (d) tap “Start quiz”
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) so each step is clear (d) to skip testing
16. 16.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) it saves data (d) changes are quick
17. 17.🔢 In a food-order flow, which comes LAST? (a) track the order (b) pick a dish (c) pay for the order (d) open the menu
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) colour as the only clue
19. 19.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
20. 20.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Match report (d) Friend list
22. 22.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
23. 23.True or false: a wireframe uses plain grey boxes. (a) False (b) True
24. 24.🔘 Our rule: buttons are at least 48 px tall. The Start button is 28 px tall. How many px taller must it be?
25. 25.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
26. 26.True or false: a clear word like Save is good button design. (a) False (b) True
27. 27.💾 Which can hold many values in order? (a) a single number (b) a button (c) a list (d) a switch
28. 28.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
29. 29.True or false: buttons almost touching is poor button design. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) icons with no labels
31. 31.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Shop → Size → Confirm
    Design B: Home → Search → Menu → Item (a) Design A (b) Design B
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 28 px tall
    Cancel button: 64 px tall
    Back button: 72 px tall
    Next button: 48 px tall (a) Back (b) Save (c) Cancel (d) Next
34. 34.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ tab bar ]
    [ Save button ]
    [ search box ]
    [ big picture ] (a) big picture (b) tab bar (c) search box
35. 35.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 48 px tall
    Back button: 44 px tall
    Start button: 44 px tall
36. 36.🎨 Who should you test the UX with? (a) the app icon (b) only yourself (c) real users (d) nobody
37. 37.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ list of items ]
    [ Save button ]
    [ menu icon ]
    [ search box ] (a) list of items (b) menu icon (c) search box
38. 38.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) see if it is right (c) see the final score (d) pick an answer
39. 39.🎨 UI stands for user ___. (a) input (b) interface (c) idea (d) internet
40. 40.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) open the camera screen (c) write a caption (d) post the photo

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