App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 864 · 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 quiz-app flow, which comes first: “read a question” or “see the final score”? (a) see the final score (b) read a question
2. 2.True or false: how fast a task is done is about UX (the experience). (a) False (b) True
3. 3.🔘 Our rule: buttons are at least 48 px tall. The Back button is 36 px tall. How many px taller must it be?
4. 4.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
5. 5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Back button: 52 px tall
   Next button: 36 px tall
   Done button: 64 px tall
6. 6.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 11 px
   Label: 19 px
   Title: 18 px (a) Title (b) Label (c) Menu
8. 8.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
9. 9.💾 What number does this code show?
   let friends = ["Riya", "Zoya"];
   friends.push("Aman");
   show(friends.length);
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Hint: 18 px
    Title: 19 px
    Footer: 14 px
    Menu: 23 px
11. 11.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) the finished app (d) a simple screen sketch
12. 12.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
13. 13.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ title text ]
    [ tab bar ]
    [ menu icon ]
    [ Save button ]
    [ big picture ] (a) big picture (b) title text (c) Save button (d) menu icon
14. 14.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
15. 15.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) icons with no labels
16. 16.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
17. 17.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Cart → Shop → Search
    Design B: Home → Shop → Item → Results → Search → Offers (a) Design A (b) Design B
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Caption: 14 px
    Footer: 16 px
    Label: 21 px
    Hint: 21 px
19. 19.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
20. 20.Which of these is true of a wireframe? (a) uses the final pictures (b) looks like the real app (c) has the real colours (d) is a quick sketch
21. 21.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see the final score”? (a) pick an answer (b) see the final score
22. 22.True or false: the theme colours is about UI (the look). (a) True (b) False
23. 23.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 36 px tall
    Cancel button: 52 px tall
    Send button: 72 px tall (a) Send (b) Cancel (c) Back
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Address → Size → Confirm → Cart
    Design B: Home → Search → Address → Menu → Item
25. 25.💾 What number does this code show?
    let songs = ["Kites", "Ocean", "Stars", "Rain"];
    songs.push("Sunrise");
    songs.push("Monsoon");
    show(songs.length);
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. open “Friend list”
    Which screen are you on now? (a) Badges (b) Lessons (c) Friend list (d) Quiz
27. 27.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) see if it is right (b) read a question
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Body text: 26 px
    Caption: 20 px
    Footer: 27 px
    Menu: 13 px (a) Menu (b) Body text (c) Title (d) Caption
29. 29.💾 What number does this code show?
    let songs = ["Rain", "Kites"];
    songs.push("Ocean");
    songs.push("Sunrise");
    show(songs.length);
30. 30.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) has no real colours (d) shows the real fonts
31. 31.Which of these is about UX (the experience)? (a) the font size (b) how easy sign-up is (c) the button colours (d) the screen layout
32. 32.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) tap “Start quiz” (b) pick an answer
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Label: 12 px
    Caption: 20 px
    Title: 16 px
34. 34.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
35. 35.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ menu icon ]
    [ title text ]
    [ Add button ]
    [ search box ] (a) menu icon (b) Add button (c) search box
36. 36.True or false: chat messages to friends fits saving in the cloud. (a) False (b) True
37. 37.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
38. 38.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
39. 39.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) add a filter (b) post the photo (c) write a caption (d) take the photo
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Title: 24 px
    Hint: 19 px (a) Body text (b) Hint (c) Title

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