App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 612 · 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.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
2. 2.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 22 px
   Caption: 12 px
   Footer: 23 px
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Help button: 24 px tall
   Send button: 60 px tall
   Start button: 68 px tall
   Cancel button: 48 px tall (a) Help (b) Start (c) Cancel (d) Send
5. 5.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Pens → Shop → Pay → Offers
   Design B: Home → Search → Shop → Results → Confirm → Cart → Pay (a) Design B (b) Design A
6. 6.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
7. 7.💾 What does this code show? (Positions start at 0.)
   let songs = ["Ocean", "Monsoon", "Rain", "Kites"];
   show(songs[3]); (a) Ocean (b) Rain (c) Kites (d) Monsoon
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. tap the Me tab
   3. open “Badges”
   4. tap the Lessons tab
   5. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) opens a list of pages
10. 10.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) read a question (b) tap “Start quiz”
11. 11.True or false: a wireframe looks like the real app. (a) True (b) False
12. 12.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
13. 13.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
14. 14.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 40 px tall
    Send button: 40 px tall
    Save button: 60 px tall
    Help button: 32 px tall
15. 15.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
16. 16.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
17. 17.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Menu: 9 px
    Title: 23 px
    Label: 28 px
    Caption: 25 px (a) Footer (b) Menu (c) Title (d) Label
19. 19.✏️ What is a wireframe? (a) a charging cable (b) a simple screen sketch (c) the finished app (d) a type of password
20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
21. 21.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) is a quick sketch (d) looks like the real app
22. 22.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
23. 23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Item → Address
    Design B: Home → Confirm → Search → Pay → Item (a) Design B (b) Design A
24. 24.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “type name and email”? (a) tap “Sign up” (b) type name and email
25. 25.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
26. 26.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
28. 28.True or false: the theme colours is about UX (the experience). (a) False (b) True
29. 29.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Search → Pay → Size → Pens
    Design B: Home → Results → Pens → Item
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Caption: 9 px
    Body text: 17 px (a) Menu (b) Caption (c) Body text
31. 31.Which colour pair is easy to read? (a) dark blue on white (b) red on green (c) light grey on white (d) pale pink on white
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Item → Pay → Confirm
    Design B: Home → Menu → Size (a) Design B (b) Design A
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Caption: 27 px
    Body text: 10 px
    Title: 17 px (a) Title (b) Label (c) Body text (d) Caption
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Hint: 16 px
    Title: 21 px
    Label: 9 px (a) Hint (b) Label (c) Body text (d) Title
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Map”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
37. 37.✏️ Why draw a wireframe before coding? (a) it saves data (b) it adds colours (c) changes are quick (d) it runs the app
38. 38.🔍 Which is the odd one out? (a) the icon shapes (b) how many taps it takes (c) how fast a task is done (d) how easy sign-up is
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Menu → Item
    Design B: Home → Pens → Size
40. 40.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) the path through screens (d) a colour theme

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