App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 638 · 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 is true of a final design? (a) has the real colours (b) is a quick sketch (c) shows where things go (d) has no real colours
2. 2.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) make a password (c) see the home screen (d) tap “Sign up”
3. 3.Which of these is about UI (the look)? (a) how users feel after (b) how easy sign-up is (c) how fast a task is done (d) the font size
4. 4.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) open the menu (c) add it to the cart (d) check the cart
5. 5.🔢 In a food-order flow, which comes LAST? (a) pick a dish (b) pay for the order (c) track the order (d) check the cart
6. 6.🔢 In a photo-post flow, which comes first: “write a caption” or “take the photo”? (a) write a caption (b) take the photo
7. 7.💾 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
8. 8.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) see if it is right (c) pick an answer (d) see the final score
9. 9.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Search → Address → Confirm → Offers → Menu
   Design B: Home → Cart → Menu → Shop → Results → Pens (a) Design B (b) Design A
10. 10.Which of these is about UI (the look)? (a) how many taps it takes (b) whether users get lost (c) how fast a task is done (d) the theme colours
11. 11.💾 What number does this code show?
    let stars = 5;
    stars = stars - 4;
    stars = stars + 3;
    show(stars);
12. 12.True or false: icons with no meaning is good button design. (a) True (b) False
13. 13.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) take the photo (c) open the camera screen (d) write a caption
14. 14.True or false: a wireframe has no real colours. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) whether users get lost (b) how users feel after (c) how easy sign-up is (d) the font size
16. 16.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pens → Item
    Design B: Home → Pay → Size (a) Design B (b) Design A
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Search tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Menu → Search → Shop → Item → Cart
    Design B: Home → Results → Address → Pens
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ list of items ]
    [ Save button ]
    [ menu icon ]
    [ top bar ] (a) top bar (b) list of items (c) menu icon
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Caption: 12 px
    Title: 20 px (a) Caption (b) Footer (c) Title
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Item → Address → Offers → Pens → Size
    Design B: Home → Pens → Confirm → Results
24. 24.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a phone case (c) a 3D printer (d) pencil and paper
25. 25.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
26. 26.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) read a question (b) see if it is right
27. 27.Which of these fits saving in the cloud? (a) a draft you are typing (b) chat messages to friends (c) the sound on/off setting (d) your last game level
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) tap “Start quiz” (c) see the final score (d) see if it is right
30. 30.Which of these fits saving on the phone? (a) chat messages to friends (b) notes to read offline (c) a class leaderboard (d) a shared to-do list
31. 31.Which colour pair is easy to read? (a) yellow on white (b) dark blue on black (c) pale pink on white (d) white on dark green
32. 32.💾 What number does this code show?
    let friends = ["Arjun", "Zoya", "Aman"];
    friends.push("Riya");
    show(friends.length);
33. 33.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 44 px tall
    Help button: 52 px tall
    Save button: 40 px tall
    Cancel button: 44 px tall
34. 34.🔢 In a photo-post flow, what comes right after “take the photo”? (a) add a filter (b) open the camera screen (c) post the photo (d) write a caption
35. 35.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ filter buttons ]
    [ Save button ]
    [ Add button ]
    [ title text ]
    [ big picture ]
    [ top bar ] (a) title text (b) Save button (c) big picture (d) top bar
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Search
    Design B: Home → Shop → Pens → Results → Menu → Offers
37. 37.True or false: a wireframe shows the real fonts. (a) True (b) False
38. 38.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) fast-flashing lights
39. 39.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the app is closed (c) you send a message (d) the phone is lost
40. 40.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move

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