App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 966 · 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 photo-post flow, what comes right after “open the camera screen”? (a) take the photo (b) add a filter (c) post the photo (d) write a caption
2. 2.Which colour pair is hard to read? (a) black on yellow (b) black on pale grey (c) light grey on white (d) dark blue on white
3. 3.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
4. 4.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) labels on every icon (d) big touch targets
6. 6.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the phone is lost (d) the screen turns off
7. 7.True or false: space between buttons is poor button design. (a) True (b) False
8. 8.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ title text ]
   [ Save button ]
   [ list of items ]
   [ top bar ]
   [ Add button ] (a) Add button (b) Save button (c) list of items (d) title text
9. 9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ Save button ]
   [ tab bar ]
   [ search box ]
   [ Add button ] (a) Add button (b) Save button (c) tab bar (d) search box
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Done button: 36 px tall
    Send button: 56 px tall
    Next button: 36 px tall
11. 11.True or false: a final design is a quick sketch. (a) True (b) False
12. 12.🔢 In a photo-post flow, which comes LAST? (a) open the camera screen (b) write a caption (c) add a filter (d) post the photo
13. 13.Which of these is about UX (the experience)? (a) the button colours (b) the theme colours (c) the font size (d) how fast a task is done
14. 14.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
15. 15.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
16. 16.🔍 Which is the odd one out? (a) the icon shapes (b) the screen layout (c) how easy sign-up is (d) the button colours
17. 17.💾 What number does this code show?
    let coins = 7;
    coins = coins - 4;
    coins = coins + 5;
    show(coins);
18. 18.🔘 Our rule: buttons are at least 48 px tall. The Next button is 24 px tall. How many px taller must it be?
19. 19.🔢 In a photo-post flow, what comes right after “add a filter”? (a) write a caption (b) post the photo (c) open the camera screen (d) take the photo
20. 20.Which colour pair is easy to read? (a) pale pink on white (b) red on green (c) white on dark green (d) dark blue on black
21. 21.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) pick an answer (c) tap “Start quiz” (d) see the final score
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Pay → Offers → Item
    Design B: Home → Pens → Cart → Confirm → Offers → Address
23. 23.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 56 px tall
    Back button: 44 px tall
    Send button: 32 px tall
    Save button: 64 px tall
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ top bar ]
    [ title text ]
    [ search box ]
    [ list of items ]
    [ Save button ] (a) Save button (b) search box (c) filter buttons (d) list of items
26. 26.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
27. 27.🔢 In a food-order flow, what comes right after “check the cart”? (a) add it to the cart (b) open the menu (c) track the order (d) pay for the order
28. 28.True or false: a big, easy tap area is poor button design. (a) True (b) False
29. 29.💾 What number does this code show?
    let stars = 8;
    stars = stars - 4;
    stars = stars + 3;
    show(stars);
30. 30.True or false: the theme colours is about UX (the experience). (a) True (b) False
31. 31.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) post the photo (c) take the photo (d) add a filter
32. 32.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Item
    Design B: Home → Search → Offers → Cart → Results → Size
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 22 px
    Menu: 25 px
    Footer: 27 px
    Label: 12 px (a) Hint (b) Label (c) Title (d) Menu
34. 34.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) a microphone (c) a 3D printer (d) pencil and paper
35. 35.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ menu icon ]
    [ big picture ]
    [ filter buttons ]
    [ tab bar ]
    [ Save button ]
    [ list of items ] (a) tab bar (b) big picture (c) filter buttons (d) list of items
37. 37.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ Add button ]
    [ list of items ]
    [ filter buttons ]
    [ top bar ]
    [ title text ] (a) list of items (b) filter buttons (c) Add button (d) title text
38. 38.🔢 In a sign-up flow, what comes right after “open the app”? (a) see the home screen (b) enter the code sent (c) tap “Sign up” (d) type name and email
39. 39.Which of these is true of a wireframe? (a) has no real colours (b) uses the final pictures (c) has the real colours (d) looks like the real app
40. 40.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) pick an answer (b) read a question (c) tap “Start quiz” (d) see the final score

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