App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 46 · 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.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a closed app (c) a picture goes here (d) delete this
2. 2.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) type name and email (b) tap “Sign up” (c) open the app (d) see the home screen
3. 3.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
4. 4.🔍 Which is the odd one out? (a) how users feel after (b) the font size (c) the theme colours (d) the screen layout
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
6. 6.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 32 px tall
   Save button: 48 px tall
   Back button: 48 px tall
   Next button: 52 px tall (a) Next (b) Start (c) Save (d) Back
7. 7.Which of these is true of a wireframe? (a) shows the real fonts (b) is a quick sketch (c) uses the final pictures (d) has the real colours
8. 8.True or false: a wireframe has no real colours. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 24 px
   Menu: 14 px
   Caption: 20 px
   Hint: 13 px
   Title: 20 px
10. 10.Which of these is about UI (the look)? (a) how many taps it takes (b) the screen layout (c) whether users get lost (d) how fast a task is done
11. 11.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Address
    Design B: Home → Address → Item → Cart (a) Design B (b) Design A
12. 12.🔘 Our rule: buttons are at least 48 px tall. The Save button is 32 px tall. How many px taller must it be?
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Menu: 10 px
    Footer: 20 px
    Title: 27 px
    Label: 27 px (a) Footer (b) Menu (c) Title (d) Hint
14. 14.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
15. 15.Which of these fits saving on the phone? (a) notes to read offline (b) chat messages to friends (c) a shared to-do list (d) photos on two devices
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Badges”
    Which screen are you on now? (a) Badges (b) Edit photo (c) Friend list (d) Lessons
17. 17.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) post the photo (c) add a filter (d) take the photo
18. 18.True or false: the screen layout is about UI (the look). (a) True (b) False
19. 19.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UX but poor UI (c) no UI at all (d) good UI but poor UX
20. 20.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) see if it is right (c) read a question (d) see the final score
21. 21.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) pick an answer (c) read a question (d) see if it is right
22. 22.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ title text ]
    [ list of items ]
    [ tab bar ]
    [ top bar ] (a) title text (b) list of items (c) tab bar
23. 23.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
24. 24.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
25. 25.🔘 Our rule: buttons are at least 48 px tall. The Back button is 24 px tall. How many px taller must it be?
26. 26.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) add a filter (b) open the camera screen
27. 27.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
28. 28.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
29. 29.Which of these is about UX (the experience)? (a) the icon shapes (b) how many taps it takes (c) the button colours (d) the screen layout
30. 30.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 36 px tall
    Save button: 60 px tall
    Next button: 64 px tall (a) Next (b) Back (c) Save
31. 31.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ big picture ]
    [ search box ]
    [ filter buttons ]
    [ title text ]
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Pay → Cart → Shop → Menu → Item
    Design B: Home → Results → Offers → Item (a) Design B (b) Design A
33. 33.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) open the camera screen (c) write a caption (d) add a filter
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 16 px
    Body text: 22 px (a) Title (b) Body text (c) Menu
35. 35.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
36. 36.🔢 In a sign-up flow, which comes LAST? (a) enter the code sent (b) open the app (c) make a password (d) see the home screen
37. 37.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) see the final score (b) pick an answer
38. 38.True or false: a shared to-do list fits saving on the phone. (a) True (b) False
39. 39.💾 Which works with no internet at all? (a) a cloud backup (b) a cloud leaderboard (c) data saved on the phone (d) a shared chat
40. 40.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 40 px tall
    Start button: 32 px tall
    Back button: 36 px tall
    Cancel button: 56 px tall

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