App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 392 · 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.🔢 In a food-order flow, which comes first: “open the menu” or “pay for the order”? (a) open the menu (b) pay for the order
2. 2.Which of these is true of a wireframe? (a) looks like the real app (b) shows the real fonts (c) shows where things go (d) has the real colours
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Size → Search
   Design B: Home → Pay → Search → Address → Size → Cart → Menu
4. 4.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
5. 5.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
6. 6.💾 What does this code show? (Positions start at 0.)
   let songs = ["Kites", "Sunrise", "Rain", "Ocean", "Stars"];
   show(songs[1]); (a) Ocean (b) Kites (c) Rain (d) Sunrise
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Edit photo”
   3. tap the Profile tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
9. 9.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Menu → Size → Item → Pay → Search → Shop
   Design B: Home → Pens → Item → Shop (a) Design A (b) Design B
10. 10.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
11. 11.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ Save button ]
    [ filter buttons ]
    [ list of items ]
    [ tab bar ]
    [ title text ] (a) title text (b) Add button (c) tab bar (d) filter buttons
12. 12.Which colour pair is hard to read? (a) black on pale grey (b) white on dark green (c) white on black (d) yellow on white
13. 13.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) see the home screen (b) make a password (c) type name and email (d) enter the code sent
14. 14.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ list of items ]
    [ Add button ]
    [ search box ]
    [ tab bar ] (a) tab bar (b) list of items (c) search box
15. 15.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) shows 3 to 5 icons (d) sits at the bottom
16. 16.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
17. 17.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
18. 18.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
22. 22.💾 What number does this code show?
    let notes = ["Hindi", "Music", "Sports"];
    notes.push("Maths");
    notes.push("Science");
    show(notes.length);
23. 23.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) a shared to-do list (d) your last game level
24. 24.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ title text ]
    [ Add button ]
    [ filter buttons ]
    [ top bar ]
    [ big picture ]
    [ Save button ] (a) title text (b) top bar (c) Save button (d) Add button
25. 25.🎨 UI stands for user ___. (a) interface (b) internet (c) input (d) idea
26. 26.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Results → Pens
    Design B: Home → Results → Menu
28. 28.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) read a question (c) pick an answer (d) see if it is right
29. 29.Which of these is about UX (the experience)? (a) the screen layout (b) how easy sign-up is (c) the button colours (d) the theme colours
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Cart → Pens → Item
    Design B: Home → Pay → Cart → Size (a) Design A (b) Design B
31. 31.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
33. 33.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ top bar ]
    [ tab bar ]
    [ title text ]
    [ list of items ]
    [ big picture ]
    [ Save button ] (a) list of items (b) Save button (c) top bar (d) big picture
34. 34.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) take the photo (c) write a caption (d) add a filter
35. 35.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Chat tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “enter the code sent”? (a) tap “Sign up” (b) enter the code sent
38. 38.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
39. 39.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these is true of a wireframe? (a) has no real colours (b) looks like the real app (c) shows the real fonts (d) uses the final pictures

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