App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 906 · 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.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
2. 2.🖼️ In this wireframe (top to bottom), what is right below the Save button?
   [ list of items ]
   [ big picture ]
   [ Save button ]
   [ menu icon ] (a) list of items (b) menu icon (c) big picture
3. 3.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) post the photo (c) take the photo (d) write a caption
4. 4.🔀 Why plan the user flow before building? (a) so each step is clear (b) to add more taps (c) to hide the buttons (d) to skip testing
5. 5.True or false: space between buttons is poor button design. (a) False (b) True
6. 6.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) read a question (c) see if it is right (d) tap “Start quiz”
7. 7.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
8. 8.Which of these is about UX (the experience)? (a) the button colours (b) how many taps it takes (c) the screen layout (d) the font size
9. 9.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a shared to-do list (c) a draft you are typing (d) notes to read offline
10. 10.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now? (a) Search (b) Help page (c) Home (d) Friend list
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Cart → Search → Confirm
    Design B: Home → Results → Address (a) Design A (b) Design B
13. 13.True or false: how many taps it takes is about UI (the look). (a) False (b) True
14. 14.🔢 In a photo-post flow, which comes first: “add a filter” or “write a caption”? (a) write a caption (b) add a filter
15. 15.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Results
    Design B: Home → Pay → Shop → Item
17. 17.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
18. 18.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 40 px tall
    Done button: 68 px tall
    Help button: 60 px tall
    Save button: 60 px tall (a) Save (b) Send (c) Help (d) Done
19. 19.Which of these is true of a wireframe? (a) has the real colours (b) shows where things go (c) shows the real fonts (d) looks like the real app
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 28 px tall
    Back button: 48 px tall
    Start button: 60 px tall (a) Cancel (b) Start (c) Back
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Cart → Search → Offers → Confirm
    Design B: Home → Pens → Shop → Confirm
22. 22.Which of these is about UI (the look)? (a) how users feel after (b) whether users get lost (c) the icon shapes (d) how fast a task is done
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Offers
    Design B: Home → Shop → Cart → Address
25. 25.True or false: notes to read offline fits saving on the phone. (a) False (b) True
26. 26.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) pick a dish (c) add it to the cart (d) pay for the order
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Results → Offers → Shop
    Design B: Home → Pens → Item → Search
28. 28.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) strong colour contrast
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) a microphone (d) pencil and paper
31. 31.True or false: a big, easy tap area is good button design. (a) False (b) True
32. 32.💾 pop() takes off the last item. What does this code show?
    let notes = ["Music", "Science", "Art", "Maths", "Hindi"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Art (c) Music (d) Science
33. 33.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
35. 35.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) read a question
36. 36.True or false: the button colours is about UI (the look). (a) False (b) True
37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
38. 38.💾 pop() takes off the last item. What does this code show?
    let notes = ["Maths", "Sports", "Music", "Science", "Hindi"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Sports (b) Maths (c) Music (d) Science
39. 39.True or false: a wireframe looks like the real app. (a) True (b) False
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Next button is 40 px tall. How many px taller must it be?

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