App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 211 · 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 “take the photo”? (a) write a caption (b) post the photo (c) add a filter (d) open the camera screen
2. 2.🖼️ How many parts (boxes) does this wireframe have?
   [ filter buttons ]
   [ big picture ]
   [ top bar ]
   [ title text ]
   [ list of items ]
   [ Save button ]
3. 3.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 28 px tall
   Cancel button: 60 px tall
   Save button: 68 px tall (a) Cancel (b) Start (c) Save
4. 4.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) read a question (c) see the final score (d) see if it is right
5. 5.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
6. 6.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) pay for the order (c) check the cart (d) open the menu
7. 7.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
8. 8.💾 What number does this code show?
   let points = 8;
   points = points - 7;
   points = points + 1;
   show(points);
9. 9.🎨 Fewer taps to finish a task usually means ___. (a) better UX (b) a bigger app (c) worse UX (d) more colours
10. 10.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
11. 11.🎨 UI stands for user ___. (a) idea (b) input (c) interface (d) internet
12. 12.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
13. 13.✏️ 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
14. 14.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 24 px tall
    Save button: 56 px tall
    Send button: 56 px tall (a) Save (b) Send (c) Next
15. 15.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
16. 16.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
17. 17.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
18. 18.True or false: a clear word like Save is poor button design. (a) True (b) False
19. 19.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. open “Badges”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Map (b) Feed (c) Chat (d) Match report
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Confirm
    Design B: Home → Pens → Menu → Size
24. 24.True or false: a big, easy tap area is poor button design. (a) False (b) True
25. 25.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ list of items ]
    [ tab bar ]
    [ menu icon ]
    [ search box ]
    [ Add button ] (a) Add button (b) list of items (c) menu icon (d) search box
26. 26.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) see the final score (c) tap “Start quiz” (d) pick an answer
27. 27.Which of these is true of a wireframe? (a) shows where things go (b) uses the final pictures (c) shows the real fonts (d) looks like the real app
28. 28.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
29. 29.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ big picture ]
    [ Save button ]
    [ search box ]
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 48 px tall
    Next button: 52 px tall
    Send button: 60 px tall
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Shop → Pens → Cart
    Design B: Home → Size → Shop → Cart (a) Design A (b) Design B
32. 32.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
33. 33.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a charging cable (d) a type of font
34. 34.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
36. 36.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Menu: 10 px
    Footer: 16 px (a) Label (b) Footer (c) Menu
38. 38.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ menu icon ]
    [ list of items ]
    [ filter buttons ]
    [ big picture ] (a) filter buttons (b) big picture (c) list of items
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Chat tab
    4. tap the Feed tab
    5. tap the Settings tab
    Which screen are you on now? (a) Video (b) Chat (c) Settings (d) Feed
40. 40.🔢 In a food-order flow, which comes first: “pick a dish” or “track the order”? (a) track the order (b) pick a dish

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