App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 877 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ menu icon ]
   [ tab bar ]
   [ Add button ]
   [ Save button ]
2. 2.🔢 In a food-order flow, which comes first: “pick a dish” or “track the order”? (a) pick a dish (b) track the order
3. 3.🔍 Which is the odd one out? (a) how users feel after (b) the icon shapes (c) how easy sign-up is (d) how many taps it takes
4. 4.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
5. 5.🖼️ In this wireframe (top to bottom), what is right above the big picture?
   [ title text ]
   [ tab bar ]
   [ top bar ]
   [ Save button ]
   [ big picture ]
   [ menu icon ] (a) title text (b) menu icon (c) top bar (d) Save button
6. 6.True or false: space between buttons is poor button design. (a) True (b) False
7. 7.Which of these fits saving in the cloud? (a) photos on two devices (b) notes to read offline (c) the sound on/off setting (d) a draft you are typing
8. 8.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
9. 9.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🎨 UI stands for user ___. (a) interface (b) input (c) internet (d) idea
12. 12.🔍 Which is the odd one out? (a) the screen layout (b) whether users get lost (c) the icon shapes (d) the button colours
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) check the cart (b) open the menu
16. 16.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Science", "Maths", "Hindi", "Music"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Sports (b) Maths (c) Hindi (d) Science
17. 17.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Item → Pens → Shop
    Design B: Home → Item → Address → Shop (a) Design A (b) Design B
18. 18.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
19. 19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ menu icon ]
    [ list of items ]
    [ big picture ] (a) big picture (b) menu icon (c) list of items (d) top bar
20. 20.True or false: photos on two devices fits saving on the phone. (a) False (b) True
21. 21.Which of these is true of a wireframe? (a) shows the real fonts (b) uses the final pictures (c) shows where things go (d) has the real colours
22. 22.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ list of items ]
    [ Save button ]
    [ big picture ]
    [ Add button ] (a) Add button (b) Save button (c) list of items
23. 23.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) open the menu (b) check the cart
24. 24.True or false: a final design uses the final pictures. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Label: 20 px
    Menu: 17 px
    Hint: 19 px
    Body text: 27 px (a) Label (b) Menu (c) Hint (d) Caption
26. 26.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now? (a) Chat (b) Feed (c) Help page (d) Edit photo
28. 28.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
29. 29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 60 px tall
    Send button: 36 px tall
    Done button: 52 px tall
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Menu: 17 px
    Caption: 11 px
31. 31.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 56 px tall
    Save button: 56 px tall
    Next button: 28 px tall (a) Back (b) Next (c) Save
33. 33.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ menu icon ]
    [ big picture ]
    [ title text ]
    [ Add button ]
    [ Save button ] (a) Save button (b) menu icon (c) Add button (d) title text
34. 34.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) take the photo (c) open the camera screen (d) post the photo
35. 35.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
36. 36.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
37. 37.💾 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
38. 38.True or false: a final design shows where things go. (a) True (b) False
39. 39.🔢 In a sign-up flow, which comes first: “make a password” or “enter the code sent”? (a) enter the code sent (b) make a password
40. 40.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections

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