App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 978 · 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.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Hint: 21 px
   Body text: 24 px
   Title: 22 px
3. 3.🎨 UI stands for user ___. (a) idea (b) interface (c) internet (d) input
4. 4.True or false: photos on two devices fits saving on the phone. (a) True (b) False
5. 5.💾 What does this code show? (Positions start at 0.)
   let songs = ["Kites", "Stars", "Sunrise", "Monsoon", "Rain"];
   show(songs[3]); (a) Kites (b) Stars (c) Monsoon (d) Sunrise
6. 6.💾 Which can hold many values in order? (a) a switch (b) a list (c) a single number (d) a button
7. 7.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Confirm → Menu → Offers → Item
   Design B: Home → Pens → Pay → Cart → Confirm → Search → Offers
8. 8.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
9. 9.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Menu → Pens → Cart
   Design B: Home → Size → Search (a) Design A (b) Design B
10. 10.💾 What does this code show? (Positions start at 0.)
    let friends = ["Riya", "Zoya", "Kabir", "Aman"];
    show(friends[3]); (a) Aman (b) Zoya (c) Riya (d) Kabir
11. 11.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
12. 12.🔢 In a sign-up flow, what comes right after “make a password”? (a) type name and email (b) tap “Sign up” (c) open the app (d) enter the code sent
13. 13.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
14. 14.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 64 px tall
    Done button: 28 px tall
    Cancel button: 60 px tall (a) Save (b) Cancel (c) Done
16. 16.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
18. 18.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
19. 19.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
20. 20.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ title text ]
    [ Save button ]
    [ top bar ]
    [ menu icon ] (a) Save button (b) title text (c) top bar
21. 21.True or false: a wireframe uses plain grey boxes. (a) False (b) True
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Pay
    Design B: Home → Pay → Results → Cart
23. 23.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) see the home screen (b) type name and email (c) open the app (d) enter the code sent
24. 24.True or false: a big, easy tap area is good button design. (a) False (b) True
25. 25.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
26. 26.True or false: chat messages to friends fits saving in the cloud. (a) False (b) True
27. 27.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
28. 28.Which of these is about UI (the look)? (a) whether users get lost (b) how easy sign-up is (c) how many taps it takes (d) the screen layout
29. 29.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Shop → Confirm
    Design B: Home → Pay → Results
30. 30.🎨 Is this about UI or UX: the font size? (a) UX (b) UI
31. 31.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
32. 32.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ Add button ]
    [ search box ]
    [ big picture ]
    [ top bar ]
    [ Save button ]
    [ filter buttons ] (a) filter buttons (b) Add button (c) big picture (d) Save button
33. 33.🔢 In a quiz-app flow, what comes right after “read a question”? (a) tap “Start quiz” (b) pick an answer (c) see if it is right (d) see the final score
34. 34.True or false: a final design is a quick sketch. (a) True (b) False
35. 35.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) post the photo (c) add a filter (d) open the camera screen
36. 36.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 36 px tall
    Help button: 32 px tall
    Save button: 36 px tall
    Start button: 32 px tall
37. 37.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) type name and email (c) enter the code sent (d) open the app
38. 38.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Video”
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now? (a) Badges (b) Home (c) Help page (d) Video
40. 40.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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