App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 724 · 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 of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) text that can grow
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap the Home tab
   3. open “Edit photo”
   Which screen are you on now? (a) Map (b) Search (c) Home (d) Edit photo
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) text that can grow
4. 4.🔍 Which is the odd one out? (a) the screen layout (b) the font size (c) the button colours (d) whether users get lost
5. 5.💾 What does this code show? (Positions start at 0.)
   let songs = ["Sunrise", "Kites", "Stars", "Monsoon"];
   show(songs[1]); (a) Sunrise (b) Stars (c) Kites (d) Monsoon
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Offers → Item
   Design B: Home → Item → Confirm → Pens → Cart → Shop (a) Design A (b) Design B
8. 8.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
9. 9.🔘 Our rule: buttons are at least 48 px tall. The Save button is 28 px tall. How many px taller must it be?
10. 10.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the phone settings (d) the last app used
11. 11.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) pick an answer (b) tap “Start quiz”
12. 12.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
13. 13.Which of these fits saving on the phone? (a) a shared to-do list (b) a class leaderboard (c) a draft you are typing (d) photos on two devices
14. 14.🎨 Is this about UI or UX: the theme colours? (a) UI (b) UX
15. 15.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ Add button ]
    [ search box ]
    [ Save button ]
    [ menu icon ]
    [ tab bar ]
    [ title text ] (a) Add button (b) menu icon (c) title text (d) tab bar
16. 16.🎨 UX stands for user ___. (a) extra (b) express (c) example (d) experience
17. 17.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) no UI at all (d) good UI but poor UX
18. 18.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ Save button ]
    [ title text ]
    [ tab bar ]
    [ menu icon ]
    [ Add button ]
    [ big picture ] (a) Add button (b) tab bar (c) menu icon (d) Save button
19. 19.Which colour pair is easy to read? (a) red on green (b) dark blue on black (c) white on dark green (d) light grey on white
20. 20.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ menu icon ]
    [ tab bar ]
    [ filter buttons ]
    [ search box ]
    [ list of items ]
    [ Save button ] (a) menu icon (b) filter buttons (c) list of items (d) Save button
21. 21.Which of these is about UI (the look)? (a) how easy sign-up is (b) how many taps it takes (c) the font size (d) how fast a task is done
22. 22.🔢 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
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now? (a) Search (b) Score card (c) Profile (d) Home
24. 24.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    5. tap Back
    Which screen are you on now? (a) Help page (b) Match report (c) Lessons (d) Video
26. 26.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.Which of these fits saving on the phone? (a) notes to read offline (b) a class leaderboard (c) chat messages to friends (d) a shared to-do list
29. 29.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
30. 30.🔢 In a food-order flow, which comes first: “pick a dish” or “open the menu”? (a) pick a dish (b) open the menu
31. 31.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) strong colour contrast
32. 32.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
34. 34.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) has the real colours (d) shows the real fonts
35. 35.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) worse UX (c) a bigger app (d) better UX
36. 36.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
37. 37.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
38. 38.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Label: 11 px
    Hint: 26 px (a) Footer (b) Hint (c) Label
40. 40.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) read a question (b) tap “Start quiz”

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