App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 158 · 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 is true of the back button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) hides extra links
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 21 px
   Footer: 9 px
   Caption: 16 px
   Menu: 22 px
   Label: 24 px (a) Caption (b) Footer (c) Menu (d) Body text
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Help page”
   3. tap Back
   4. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap the Home tab
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
6. 6.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a charging cable (d) a type of font
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
8. 8.True or false: a wireframe has the real colours. (a) True (b) False
9. 9.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) never need a password (c) skip the internet (d) use it on any device
10. 10.Which colour pair is easy to read? (a) dark blue on black (b) dark blue on white (c) yellow on white (d) red on green
11. 11.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
12. 12.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) see if it is right (c) read a question (d) pick an answer
13. 13.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) shortcut (d) tab bar
14. 14.Which of these is about UX (the experience)? (a) the theme colours (b) the screen layout (c) how many taps it takes (d) the button colours
15. 15.🔍 Which is the odd one out? (a) the screen layout (b) whether users get lost (c) the font size (d) the theme colours
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. open “Friend list”
    4. tap the Quiz tab
    5. open “Match report”
    Which screen are you on now? (a) Match report (b) Quiz (c) Friend list (d) Lessons
17. 17.True or false: a final design looks like the real app. (a) True (b) False
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
19. 19.💾 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
20. 20.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
21. 21.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to use more battery (d) to hide the menu
22. 22.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
23. 23.Which of these is true of a final design? (a) uses plain grey boxes (b) uses the final pictures (c) is a quick sketch (d) has no real colours
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.True or false: grey text on grey is poor button design. (a) True (b) False
26. 26.Which of these fits saving in the cloud? (a) your last game level (b) chat messages to friends (c) a draft you are typing (d) notes to read offline
27. 27.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
28. 28.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) a bigger app (c) better UX (d) more colours
29. 29.🔢 In a food-order flow, which comes LAST? (a) check the cart (b) open the menu (c) track the order (d) pay for the order
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Body text: 12 px
    Label: 19 px
    Title: 18 px
31. 31.Which colour pair is hard to read? (a) white on black (b) black on pale grey (c) white on dark green (d) red on green
32. 32.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (d) captions on videos
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 44 px tall
    Send button: 52 px tall
    Start button: 56 px tall (a) Send (b) Start (c) Cancel
34. 34.Which of these is true of a wireframe? (a) looks like the real app (b) has no real colours (c) shows the real fonts (d) uses the final pictures
35. 35.Which colour pair is easy to read? (a) dark blue on black (b) yellow on white (c) white on dark green (d) red on green
36. 36.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) shows the real fonts (d) is a quick sketch
37. 37.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
38. 38.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) your last game level (d) a class leaderboard
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Shop → Cart → Size → Menu → Offers
    Design B: Home → Pens → Menu → Results
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Shop
    Design B: Home → Menu → Shop → Search

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