App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 670 · 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 is the odd one out? (a) how users feel after (b) the font size (c) how fast a task is done (d) how easy sign-up is
2. 2.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) open the camera screen (c) post the photo (d) write a caption
3. 3.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
4. 4.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) pick a dish (c) track the order (d) pay for the order
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 9 px
   Caption: 17 px
   Title: 18 px
   Body text: 25 px (a) Title (b) Body text (c) Caption (d) Hint
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ Save button ]
   [ search box ]
   [ big picture ]
   [ menu icon ]
7. 7.True or false: your last game level fits saving in the cloud. (a) False (b) True
8. 8.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Help button: 48 px tall
   Save button: 52 px tall
   Next button: 36 px tall (a) Help (b) Save (c) Next
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 22 px
   Caption: 12 px
   Body text: 24 px
   Label: 19 px (a) Body text (b) Title (c) Caption (d) Label
10. 10.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
11. 11.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ Save button ]
    [ top bar ]
    [ search box ]
    [ Add button ]
    [ title text ]
    [ list of items ] (a) Save button (b) list of items (c) search box (d) title text
12. 12.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.🌗 Is yellow on white easy or hard to read on a button? (a) easy to read (b) hard to read
14. 14.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
15. 15.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
16. 16.True or false: a wireframe shows where things go. (a) False (b) True
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now? (a) Feed (b) Match report (c) Settings (d) Chat
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Save button ]
    [ search box ]
    [ big picture ]
19. 19.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
20. 20.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
21. 21.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
22. 22.Which of these is about UI (the look)? (a) the button colours (b) whether users get lost (c) how users feel after (d) how easy sign-up is
23. 23.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
24. 24.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Hint: 14 px
    Title: 18 px
26. 26.🔍 Which is the odd one out? (a) how users feel after (b) how many taps it takes (c) whether users get lost (d) the button colours
27. 27.🔘 Our rule: buttons are at least 48 px tall. The Back button is 36 px tall. How many px taller must it be?
28. 28.True or false: a final design has the real colours. (a) True (b) False
29. 29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 40 px tall
    Help button: 52 px tall
    Start button: 36 px tall
30. 30.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
31. 31.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
32. 32.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Hindi", "Maths"];
    show(notes[0]); (a) Maths (b) Hindi (c) Art
33. 33.True or false: a wireframe looks like the real app. (a) False (b) True
34. 34.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
35. 35.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) open the camera screen (c) write a caption (d) post the photo
36. 36.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Add button ]
    [ search box ]
    [ top bar ]
    [ title text ]
37. 37.🔢 In a sign-up flow, which comes first: “see the home screen” or “tap “Sign up””? (a) see the home screen (b) tap “Sign up”
38. 38.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
39. 39.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Size → Shop → Results → Item
    Design B: Home → Confirm → Size

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