App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 273 · 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.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
2. 2.🎨 UX stands for user ___. (a) experience (b) express (c) extra (d) example
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) sudden loud sounds (d) fast-flashing lights
4. 4.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
5. 5.🔀 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
6. 6.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) delete this (c) a closed app (d) an error
7. 7.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see the final score”? (a) see the final score (b) pick an answer
8. 8.🎨 Who should you test the UX with? (a) the app icon (b) nobody (c) real users (d) only yourself
9. 9.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
10. 10.🔢 In a food-order flow, which comes first: “pick a dish” or “check the cart”? (a) pick a dish (b) check the cart
11. 11.🔢 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
12. 12.🔢 In a food-order flow, which comes first: “track the order” or “pay for the order”? (a) track the order (b) pay for the order
13. 13.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) shortcut (d) tab bar
14. 14.True or false: a final design looks like the real app. (a) True (b) False
15. 15.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap the Profile tab
    5. open “Score card”
    Which screen are you on now? (a) Match report (b) Score card (c) Home (d) Map
17. 17.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) pick a dish (c) add it to the cart (d) open the menu
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Body text: 22 px
    Title: 12 px
    Menu: 12 px
    Footer: 20 px
19. 19.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.🔢 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
21. 21.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
22. 22.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) see if it is right (c) tap “Start quiz” (d) see the final score
23. 23.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
24. 24.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Pens
    Design B: Home → Pay → Pens → Offers
26. 26.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) a shared to-do list (d) the sound on/off setting
27. 27.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) open the app (b) make a password (c) type name and email (d) see the home screen
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 48 px tall
    Done button: 72 px tall
    Back button: 28 px tall (a) Back (b) Help (c) Done
29. 29.Which of these is about UI (the look)? (a) how many taps it takes (b) how users feel after (c) whether users get lost (d) the font size
30. 30.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) add a filter (c) open the camera screen (d) post the photo
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Friend list”
    4. tap the Chat tab
    5. open “Score card”
    Which screen are you on now? (a) Feed (b) Score card (c) Friend list (d) Chat
32. 32.🔢 In a sign-up flow, which comes first: “enter the code sent” or “see the home screen”? (a) enter the code sent (b) see the home screen
33. 33.💾 In most code, the first item of a list is at position ___. (a) 10 (b) 0 (c) 2 (d) 1
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Size → Address → Search → Pens
    Design B: Home → Pens → Pay → Offers (a) Design B (b) Design A
35. 35.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 52 px tall
    Done button: 44 px tall
    Next button: 68 px tall
    Help button: 68 px tall (a) Done (b) Next (c) Cancel (d) Help
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) type name and email (b) see the home screen (c) tap “Sign up” (d) open the app
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Address → Confirm → Results → Item
    Design B: Home → Cart → Pay (a) Design A (b) Design B
40. 40.💾 What number does this code show?
    let notes = ["Sports", "Science", "Hindi", "Music"];
    notes.push("Art");
    show(notes.length);

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