App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 726 · 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 opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
2. 2.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
3. 3.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
4. 4.🔘 Our rule: buttons are at least 48 px tall. The Save button is 40 px tall. How many px taller must it be?
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Save button is 20 px tall. How many px taller must it be?
6. 6.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) open the menu (b) check the cart
7. 7.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 60 px tall
   Help button: 28 px tall
   Start button: 64 px tall (a) Done (b) Help (c) Start
8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
9. 9.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe
10. 10.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
11. 11.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
12. 12.True or false: a wireframe is a quick sketch. (a) False (b) True
13. 13.🎨 Fewer taps to finish a task usually means ___. (a) better UX (b) a bigger app (c) more colours (d) worse UX
14. 14.🔢 In a sign-up flow, what comes right after “make a password”? (a) tap “Sign up” (b) type name and email (c) see the home screen (d) enter the code sent
15. 15.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
16. 16.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
17. 17.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) tiny tap areas
19. 19.True or false: icons with no meaning is poor button design. (a) False (b) True
20. 20.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
21. 21.🎨 Is this about UI or UX: whether users get lost? (a) UI (b) UX
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now? (a) Map (b) Match report (c) Feed (d) Help page
23. 23.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
24. 24.🔢 In a quiz-app flow, which comes first: “read a question” or “see if it is right”? (a) read a question (b) see if it is right
25. 25.Which of these is about UI (the look)? (a) how easy sign-up is (b) the theme colours (c) whether users get lost (d) how fast a task is done
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
29. 29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 32 px tall
    Cancel button: 60 px tall
    Start button: 40 px tall
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Shop → Offers
    Design B: Home → Pens → Cart → Shop → Pay → Search (a) Design B (b) Design A
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Confirm → Address → Pens → Menu
    Design B: Home → Cart → Shop → Results → Pens
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Title: 16 px
    Hint: 9 px
    Body text: 25 px
    Menu: 19 px (a) Label (b) Hint (c) Body text (d) Title
33. 33.True or false: the screen layout is about UI (the look). (a) True (b) False
34. 34.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the phone is lost (d) the screen turns off
35. 35.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
36. 36.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) add a filter (c) take the photo (d) open the camera screen
37. 37.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ tab bar ]
    [ big picture ]
    [ search box ]
38. 38.🔍 Which is the odd one out? (a) the font size (b) the screen layout (c) the button colours (d) how fast a task is done
39. 39.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
40. 40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 24 px tall
    Save button: 52 px tall
    Send button: 72 px tall (a) Start (b) Send (c) Save

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