App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 824 · 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 plan the user flow before building? (a) so each step is clear (b) to hide the buttons (c) to skip testing (d) to add more taps
2. 2.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 36 px tall
   Done button: 32 px tall
   Send button: 56 px tall
   Help button: 32 px tall
3. 3.Which of these is about UX (the experience)? (a) the screen layout (b) how many taps it takes (c) the icon shapes (d) the button colours
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. tap the Profile tab
   3. open “Video”
   4. tap Back
   5. tap the Profile tab
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🎨 Who should you test the UX with? (a) the app icon (b) only yourself (c) real users (d) nobody
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ Add button ]
   [ title text ]
   [ tab bar ]
   [ list of items ]
7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. tap the Settings tab
   3. open “Match report”
   4. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🔢 In a food-order flow, what comes right after “pick a dish”? (a) open the menu (b) track the order (c) check the cart (d) add it to the cart
9. 9.Which colour pair is easy to read? (a) light grey on white (b) dark blue on black (c) yellow on white (d) white on black
10. 10.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ menu icon ]
    [ filter buttons ]
    [ big picture ]
    [ list of items ] (a) list of items (b) menu icon (c) big picture
11. 11.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
12. 12.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 52 px tall
    Next button: 40 px tall
    Send button: 68 px tall (a) Send (b) Save (c) Next
13. 13.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ filter buttons ]
    [ list of items ]
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ filter buttons ]
    [ search box ]
    [ menu icon ] (a) menu icon (b) filter buttons (c) title text (d) search box
15. 15.True or false: grey text on grey is good button design. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) how fast a task is done (b) how easy sign-up is (c) how users feel after (d) the button colours
17. 17.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) read a question (b) tap “Start quiz”
18. 18.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
19. 19.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) switches main sections (d) opens a list of pages
20. 20.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Label: 12 px
    Title: 10 px
22. 22.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ Add button ]
    [ top bar ]
    [ title text ]
    [ tab bar ] (a) title text (b) tab bar (c) top bar
23. 23.🔍 Which is the odd one out? (a) the screen layout (b) whether users get lost (c) the theme colours (d) the font size
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Label: 28 px
    Menu: 12 px
    Title: 23 px (a) Title (b) Label (c) Menu (d) Caption
25. 25.Which of these is true of a wireframe? (a) looks like the real app (b) uses plain grey boxes (c) uses the final pictures (d) shows the real fonts
26. 26.Which colour pair is easy to read? (a) black on pale grey (b) red on green (c) pale pink on white (d) yellow on white
27. 27.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) sits at the bottom
28. 28.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ tab bar ]
    [ filter buttons ]
    [ list of items ]
    [ Add button ]
    [ search box ]
    [ title text ] (a) search box (b) filter buttons (c) list of items (d) tab bar
29. 29.💾 What does this code show? (Positions start at 0.)
    let songs = ["Stars", "Monsoon", "Rain", "Ocean"];
    show(songs[3]); (a) Ocean (b) Rain (c) Monsoon (d) Stars
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Search → Confirm → Menu → Offers → Shop
    Design B: Home → Results → Size → Item → Pens → Offers
31. 31.🔘 Is this good or poor button design: strong colour contrast? (a) good design (b) poor design
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Badges (b) Feed (c) Map (d) Chat
33. 33.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) is a quick sketch (d) uses the final pictures
34. 34.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a 3D printer (c) a phone case (d) pencil and paper
35. 35.Which of these is about UI (the look)? (a) the font size (b) how easy sign-up is (c) whether users get lost (d) how many taps it takes
36. 36.🔢 In a photo-post flow, which comes LAST? (a) open the camera screen (b) add a filter (c) take the photo (d) post the photo
37. 37.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
38. 38.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) type name and email (b) enter the code sent
39. 39.💾 What is a variable? (a) a picture (b) a named box for a value (c) a phone setting (d) a type of screen
40. 40.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) pick an answer (c) see the final score (d) tap “Start quiz”

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