App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 185 · 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 a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
2. 2.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) tiny tap areas
3. 3.🔍 Which is the odd one out? (a) how users feel after (b) the icon shapes (c) the theme colours (d) the button colours
4. 4.Which of these is true of a final design? (a) uses plain grey boxes (b) looks like the real app (c) has no real colours (d) shows where things go
5. 5.🔀 What is a user flow? (a) the path through screens (b) a type of font (c) a charging cable (d) a colour theme
6. 6.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 44 px tall. How many px taller must it be?
7. 7.🖼️ In this wireframe (top to bottom), what is right above the top bar?
   [ tab bar ]
   [ list of items ]
   [ title text ]
   [ top bar ]
   [ filter buttons ]
   [ Save button ] (a) filter buttons (b) tab bar (c) list of items (d) title text
8. 8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Confirm → Pens → Offers → Results → Search
   Design B: Home → Confirm → Pens → Address → Item (a) Design A (b) Design B
9. 9.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Results → Pay → Confirm → Shop → Cart → Search
   Design B: Home → Shop → Pens
10. 10.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) no UI at all (c) perfect UX (d) good UI but poor UX
11. 11.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 60 px tall
    Cancel button: 56 px tall
    Back button: 36 px tall
    Done button: 44 px tall
12. 12.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
15. 15.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) see the final score (b) tap “Start quiz”
16. 16.Which of these makes the app harder to use? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) big touch targets
17. 17.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) dead end (c) tab bar (d) home screen
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Results → Cart → Size → Shop
    Design B: Home → Item → Shop → Pens
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Title: 14 px
    Body text: 13 px
    Hint: 19 px
20. 20.Which colour pair is hard to read? (a) black on yellow (b) white on dark green (c) white on black (d) light grey on white
21. 21.🔍 Which is the odd one out? (a) how easy sign-up is (b) whether users get lost (c) the font size (d) how fast a task is done
22. 22.True or false: the font size is about UI (the look). (a) False (b) True
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Me tab
    4. open “Help page”
    Which screen are you on now? (a) Score card (b) Lessons (c) Quiz (d) Help page
24. 24.True or false: the theme colours is about UX (the experience). (a) True (b) False
25. 25.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 48 px tall
    Next button: 72 px tall
    Help button: 24 px tall
    Save button: 60 px tall (a) Save (b) Help (c) Send (d) Next
26. 26.Which colour pair is hard to read? (a) black on yellow (b) red on green (c) black on pale grey (d) white on black
27. 27.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Sports", "Maths", "Art", "Science"];
    show(notes[4]); (a) Hindi (b) Maths (c) Science (d) Sports
28. 28.True or false: how users feel after is about UX (the experience). (a) True (b) False
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
30. 30.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ big picture ]
    [ list of items ]
    [ Add button ]
    [ Save button ]
    [ top bar ] (a) big picture (b) list of items (c) top bar (d) Save button
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a simple screen sketch (d) a type of password
33. 33.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 44 px tall
    Send button: 60 px tall
    Done button: 36 px tall
34. 34.Which of these is about UI (the look)? (a) how many taps it takes (b) how easy sign-up is (c) whether users get lost (d) the button colours
35. 35.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) read a question (c) see if it is right (d) see the final score
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🔢 In a quiz-app flow, which comes first: “see if it is right” or “tap “Start quiz””? (a) tap “Start quiz” (b) see if it is right
38. 38.🔢 In a quiz-app flow, which comes first: “see the final score” or “see if it is right”? (a) see the final score (b) see if it is right
39. 39.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now? (a) Chat (b) Match report (c) Map (d) Feed

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