App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 574 · 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 of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
2. 2.True or false: photos on two devices fits saving in the cloud. (a) True (b) False
3. 3.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pay → Offers → Pens
   Design B: Home → Menu → Item (a) Design A (b) Design B
5. 5.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pay for the order (b) check the cart (c) open the menu (d) pick a dish
6. 6.Which of these fits saving in the cloud? (a) your last game level (b) a shared to-do list (c) the sound on/off setting (d) notes to read offline
7. 7.True or false: a final design shows the real fonts. (a) True (b) False
8. 8.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
9. 9.🔀 Why plan the user flow before building? (a) to skip testing (b) to hide the buttons (c) so each step is clear (d) to add more taps
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.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
12. 12.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Menu → Pay → Shop → Address
    Design B: Home → Confirm → Size → Menu → Offers → Address → Search
14. 14.💾 What number does this code show?
    let friends = ["Arjun", "Aman"];
    friends.push("Zoya");
    show(friends.length);
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now? (a) Search (b) Edit photo (c) Match report (d) Help page
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.✏️ What is a wireframe? (a) a type of password (b) the finished app (c) a simple screen sketch (d) a charging cable
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Menu
    Design B: Home → Shop → Confirm → Pens → Offers
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Shop → Offers → Pens
    Design B: Home → Confirm → Pens → Item → Search → Address → Shop
20. 20.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
21. 21.🔢 In a photo-post flow, what comes right after “take the photo”? (a) write a caption (b) post the photo (c) add a filter (d) open the camera screen
22. 22.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
23. 23.🔢 In a sign-up flow, which comes first: “type name and email” or “see the home screen”? (a) see the home screen (b) type name and email
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Chat (b) Edit photo (c) Feed (d) Match report
25. 25.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) take the photo (c) write a caption (d) post the photo
26. 26.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) a class leaderboard (d) your last game level
27. 27.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 48 px tall
    Help button: 52 px tall
    Start button: 28 px tall (a) Cancel (b) Help (c) Start
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ list of items ]
    [ big picture ]
    [ tab bar ]
31. 31.💾 pop() takes off the last item. What does this code show?
    let friends = ["Aman", "Riya", "Zoya", "Kabir", "Meera"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Kabir (b) Zoya (c) Aman (d) Riya
32. 32.True or false: how fast a task is done is about UX (the experience). (a) False (b) True
33. 33.💾 What number does this code show?
    let points = 5;
    points = points - 4;
    points = points + 4;
    show(points);
34. 34.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) use it on any device (c) skip the internet (d) never need a password
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Video (c) Quiz (d) Me
36. 36.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) the theme colours (d) how easy sign-up is
37. 37.True or false: a clear word like Save is poor button design. (a) False (b) True
38. 38.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now? (a) Feed (b) Chat (c) Friend list (d) Help page
40. 40.Which colour pair is easy to read? (a) yellow on white (b) red on green (c) black on pale grey (d) pale pink on white

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