App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 843 · 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.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Item → Address → Shop
   Design B: Home → Pens → Item → Confirm → Pay
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Video”
   3. tap Back
   4. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ search box ]
   [ filter buttons ]
   [ tab bar ]
   [ top bar ]
   [ menu icon ] (a) top bar (b) tab bar (c) filter buttons (d) menu icon
4. 4.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
5. 5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Send button: 52 px tall
   Cancel button: 36 px tall
   Done button: 32 px tall
6. 6.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
7. 7.🔢 In a photo-post flow, which comes first: “post the photo” or “take the photo”? (a) post the photo (b) take the photo
8. 8.Which of these fits saving in the cloud? (a) a class leaderboard (b) notes to read offline (c) a draft you are typing (d) your last game level
9. 9.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
10. 10.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
12. 12.🔀 Why plan the user flow before building? (a) so each step is clear (b) to skip testing (c) to add more taps (d) to hide the buttons
13. 13.True or false: a clear word like Save is poor button design. (a) True (b) False
14. 14.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
16. 16.Which of these is true of a wireframe? (a) looks like the real app (b) has no real colours (c) uses the final pictures (d) shows the real fonts
17. 17.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
18. 18.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
19. 19.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
21. 21.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ Add button ]
    [ big picture ]
    [ filter buttons ]
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Confirm → Pay
    Design B: Home → Address → Shop → Pay → Offers → Results → Menu
23. 23.🔍 Which is the odd one out? (a) how easy sign-up is (b) how fast a task is done (c) the font size (d) how users feel after
24. 24.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) track the order (c) open the menu (d) pay for the order
25. 25.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) type name and email (b) tap “Sign up”
26. 26.True or false: buttons almost touching is good button design. (a) False (b) True
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Size
    Design B: Home → Pay → Address → Results → Cart → Pens → Menu
28. 28.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Label: 17 px
    Title: 20 px
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Search tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) hides extra links
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Me (d) Friend list
33. 33.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ Add button ]
    [ filter buttons ]
    [ list of items ]
    [ search box ]
    [ menu icon ]
    [ tab bar ] (a) Add button (b) filter buttons (c) search box (d) list of items
34. 34.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ top bar ]
    [ Save button ]
    [ search box ]
    [ menu icon ]
    [ filter buttons ] (a) search box (b) filter buttons (c) top bar (d) Save button
36. 36.Which of these is true of a wireframe? (a) uses plain grey boxes (b) looks like the real app (c) has the real colours (d) uses the final pictures
37. 37.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    Which screen are you on now? (a) Search (b) Home (c) Badges (d) Match report
39. 39.True or false: the screen layout is about UI (the look). (a) True (b) False
40. 40.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe

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