App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 477 · 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.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
2. 2.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
3. 3.Which of these is about UX (the experience)? (a) the button colours (b) the theme colours (c) whether users get lost (d) the screen layout
4. 4.True or false: the font size is about UI (the look). (a) True (b) False
5. 5.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) check the cart (c) pick a dish (d) track the order
6. 6.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
7. 7.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
8. 8.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) track the order (c) open the menu (d) pick a dish
9. 9.🖼️ How many parts (boxes) does this wireframe have?
   [ Save button ]
   [ tab bar ]
   [ Add button ]
   [ title text ]
   [ filter buttons ]
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Address → Offers → Size → Shop → Cart
    Design B: Home → Address → Pay (a) Design A (b) Design B
11. 11.🔢 In a food-order flow, which comes first: “check the cart” or “pick a dish”? (a) check the cart (b) pick a dish
12. 12.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
13. 13.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a random page (d) a clear next step
14. 14.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
15. 15.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 32 px tall
    Help button: 52 px tall
    Next button: 52 px tall
    Save button: 52 px tall (a) Next (b) Help (c) Save (d) Start
16. 16.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) see the home screen (c) open the app (d) type name and email
17. 17.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
18. 18.True or false: a final design has no real colours. (a) True (b) False
19. 19.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 32 px tall
    Start button: 44 px tall
    Done button: 48 px tall
    Save button: 44 px tall
20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
21. 21.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. open “Match report”
    Which screen are you on now? (a) Friend list (b) Feed (c) Match report (d) Badges
23. 23.🔢 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
24. 24.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) type name and email (b) tap “Sign up”
25. 25.True or false: the button colours is about UX (the experience). (a) True (b) False
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now? (a) Home (b) Score card (c) Edit photo (d) Friend list
28. 28.🔢 In a photo-post flow, which comes FIRST? (a) add a filter (b) write a caption (c) post the photo (d) open the camera screen
29. 29.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
30. 30.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
31. 31.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) opens a list of pages
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pay → Address → Confirm
    Design B: Home → Offers → Menu (a) Design A (b) Design B
33. 33.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses the final pictures (d) has no real colours
34. 34.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 40 px tall
    Save button: 56 px tall
    Done button: 60 px tall
36. 36.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
37. 37.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
38. 38.Which of these is true of a wireframe? (a) uses plain grey boxes (b) has the real colours (c) looks like the real app (d) uses the final pictures
39. 39.🎨 UX stands for user ___. (a) extra (b) example (c) experience (d) express
40. 40.💾 What number does this code show?
    let notes = ["Music", "Sports", "Maths", "Art"];
    notes.push("Science");
    show(notes.length);

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