App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 905 · 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.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Search → Shop → Cart
   Design B: Home → Pens → Address
3. 3.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) tap “Start quiz” (b) read a question
4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
5. 5.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) the finished app (d) a simple screen sketch
6. 6.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a closed app (c) delete this (d) a picture goes here
7. 7.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
8. 8.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
9. 9.🔍 Which is the odd one out? (a) how fast a task is done (b) how easy sign-up is (c) the theme colours (d) how users feel after
10. 10.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a microphone (c) a phone case (d) a 3D printer
11. 11.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UI but poor UX (c) no UI at all (d) good UX but poor UI
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Lessons tab
    4. open “Map”
    5. tap the Me tab
    Which screen are you on now? (a) Map (b) Me (c) Friend list (d) Badges
14. 14.True or false: how fast a task is done is about UI (the look). (a) True (b) False
15. 15.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
16. 16.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Hint: 11 px
    Footer: 24 px
    Label: 15 px
    Body text: 17 px
18. 18.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) post the photo (c) open the camera screen (d) write a caption
19. 19.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Menu → Pens → Shop → Item → Confirm
    Design B: Home → Menu → Offers (a) Design B (b) Design A
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 24 px tall
    Next button: 48 px tall
    Send button: 48 px tall (a) Save (b) Send (c) Next
21. 21.True or false: a shared to-do list fits saving on the phone. (a) False (b) True
22. 22.🔢 In a quiz-app flow, which comes first: “see the final score” or “read a question”? (a) see the final score (b) read a question
23. 23.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) the font size (d) whether users get lost
24. 24.🔘 Our rule: buttons are at least 48 px tall. The Save button is 36 px tall. How many px taller must it be?
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 68 px tall
    Send button: 64 px tall
    Cancel button: 48 px tall
    Back button: 40 px tall (a) Cancel (b) Send (c) Start (d) Back
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Search → Pay → Address → Offers
    Design B: Home → Offers → Pens → Shop
28. 28.Which colour pair is easy to read? (a) pale pink on white (b) yellow on white (c) black on yellow (d) light grey on white
29. 29.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
30. 30.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) strong colour contrast (d) big touch targets
31. 31.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ tab bar ]
    [ big picture ]
    [ search box ] (a) tab bar (b) big picture (c) top bar (d) search box
33. 33.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
34. 34.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 1 (c) 10 (d) 0
35. 35.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) labels on every icon
36. 36.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now? (a) Video (b) Help page (c) Lessons (d) Edit photo
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Lessons tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?

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