App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 899 · 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 part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. tap the Search tab
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) icons with no labels
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. tap the Me tab
   3. open “Badges”
   Which screen are you on now? (a) Help page (b) Badges (c) Quiz (d) Lessons
7. 7.🔘 Our rule: buttons are at least 48 px tall. The Back button is 32 px tall. How many px taller must it be?
8. 8.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 36 px tall
   Done button: 48 px tall
   Send button: 60 px tall
   Back button: 56 px tall (a) Done (b) Back (c) Start (d) Send
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🔘 Our rule: buttons are at least 48 px tall. The Next button is 20 px tall. How many px taller must it be?
12. 12.Which of these fits saving on the phone? (a) a shared to-do list (b) notes to read offline (c) chat messages to friends (d) a class leaderboard
13. 13.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
14. 14.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ Add button ]
    [ menu icon ]
    [ filter buttons ]
    [ Save button ]
    [ list of items ] (a) Add button (b) Save button (c) filter buttons (d) list of items
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Footer: 28 px
    Menu: 27 px
    Title: 16 px
    Body text: 13 px (a) Menu (b) Footer (c) Caption (d) Body text
16. 16.True or false: a final design has no real colours. (a) False (b) True
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Size → Shop → Results → Pens → Offers
    Design B: Home → Menu → Item → Cart → Address → Search
19. 19.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Menu → Shop → Pens
    Design B: Home → Cart → Offers → Confirm → Address → Results → Item
22. 22.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
23. 23.Which of these is about UI (the look)? (a) the button colours (b) how users feel after (c) how easy sign-up is (d) whether users get lost
24. 24.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) track the order (c) pay for the order (d) check the cart
25. 25.🔍 Which is the odd one out? (a) the theme colours (b) how easy sign-up is (c) the icon shapes (d) the font size
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
27. 27.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Search
    Design B: Home → Shop → Offers → Address
29. 29.Which of these is about UX (the experience)? (a) how easy sign-up is (b) the theme colours (c) the button colours (d) the screen layout
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.True or false: the screen layout is about UI (the look). (a) True (b) False
32. 32.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
33. 33.Which of these is about UX (the experience)? (a) the theme colours (b) the screen layout (c) how many taps it takes (d) the font size
34. 34.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
35. 35.🔢 In a sign-up flow, what comes right after “open the app”? (a) see the home screen (b) tap “Sign up” (c) enter the code sent (d) make a password
36. 36.True or false: a wireframe uses plain grey boxes. (a) True (b) False
37. 37.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
38. 38.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
39. 39.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) labels on every icon (d) strong colour contrast
40. 40.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) type name and email (c) open the app (d) tap “Sign up”

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