App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 134 · 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 good or poor button design: a big, easy tap area? (a) poor design (b) good design
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) colour as the only clue (d) fast-flashing lights
3. 3.Which of these is true of a final design? (a) is a quick sketch (b) has no real colours (c) uses plain grey boxes (d) shows the real fonts
4. 4.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a phone case (c) pencil and paper (d) a 3D printer
5. 5.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
6. 6.Which of these fits saving in the cloud? (a) a class leaderboard (b) a draft you are typing (c) the sound on/off setting (d) your last game level
7. 7.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) add it to the cart (c) pick a dish (d) track the order
8. 8.🔍 Which is the odd one out? (a) whether users get lost (b) the button colours (c) the theme colours (d) the screen layout
9. 9.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
   [ list of items ]
   [ menu icon ]
   [ search box ]
   [ big picture ] (a) search box (b) big picture (c) list of items
10. 10.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
11. 11.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Title: 19 px
    Menu: 10 px
13. 13.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
14. 14.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ menu icon ]
    [ tab bar ]
    [ search box ]
    [ Save button ] (a) tab bar (b) menu icon (c) Save button
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Title: 16 px
    Menu: 25 px (a) Menu (b) Title (c) Body text
16. 16.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now? (a) Lessons (b) Help page (c) Friend list (d) Video
18. 18.💾 What is a variable? (a) a phone setting (b) a type of screen (c) a picture (d) a named box for a value
19. 19.🔢 In a food-order flow, what comes right after “pay for the order”? (a) pick a dish (b) track the order (c) check the cart (d) add it to the cart
20. 20.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
21. 21.True or false: the font size is about UX (the experience). (a) False (b) True
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Menu: 12 px
    Hint: 24 px (a) Footer (b) Hint (c) Menu
23. 23.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
24. 24.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Shop → Pens → Address → Pay
    Design B: Home → Address → Search → Cart → Results → Pens → Pay (a) Design A (b) Design B
25. 25.🎨 Who should you test the UX with? (a) real users (b) the app icon (c) nobody (d) only yourself
26. 26.Which of these is about UX (the experience)? (a) the icon shapes (b) the button colours (c) the font size (d) how easy sign-up is
27. 27.🔀 What is a user flow? (a) a colour theme (b) the path through screens (c) a charging cable (d) a type of font
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Confirm
    Design B: Home → Shop → Size → Menu → Cart (a) Design B (b) Design A
30. 30.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Hint: 27 px
    Body text: 11 px (a) Footer (b) Hint (c) Body text
32. 32.🔢 In a food-order flow, which comes first: “track the order” or “open the menu”? (a) open the menu (b) track the order
33. 33.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) post the photo (d) take the photo
34. 34.🔢 In a food-order flow, which comes first: “track the order” or “pick a dish”? (a) track the order (b) pick a dish
35. 35.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
36. 36.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) type name and email (c) see the home screen (d) make a password
37. 37.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Menu: 19 px
    Caption: 21 px
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Next button is 28 px tall. How many px taller must it be?

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