App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 332 · 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 is about UX (the experience)? (a) the screen layout (b) how fast a task is done (c) the button colours (d) the font size
2. 2.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) photos on two devices (d) the sound on/off setting
3. 3.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) track the order (c) add it to the cart (d) pick a dish
4. 4.Which of these is about UI (the look)? (a) how many taps it takes (b) the screen layout (c) how easy sign-up is (d) how users feel after
5. 5.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a clear next step (c) the same screen (d) a random page
6. 6.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) take the photo (d) post the photo
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Video”
   3. tap the Profile tab
   4. tap the Search tab
   5. tap the Profile tab
   Which screen are you on now? (a) Profile (b) Home (c) Search (d) Video
8. 8.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
   [ filter buttons ]
   [ menu icon ]
   [ title text ]
   [ Save button ] (a) Save button (b) title text (c) filter buttons
9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Save button: 28 px tall
   Help button: 72 px tall
   Next button: 68 px tall (a) Save (b) Next (c) Help
10. 10.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
11. 11.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
12. 12.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
15. 15.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ list of items ]
    [ title text ]
    [ top bar ]
    [ tab bar ] (a) list of items (b) title text (c) tab bar
16. 16.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
17. 17.💾 What does this code show? (Positions start at 0.)
    let songs = ["Ocean", "Rain", "Stars", "Sunrise", "Kites"];
    show(songs[4]); (a) Rain (b) Ocean (c) Stars (d) Kites
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
20. 20.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
21. 21.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) only yourself (d) nobody
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Menu → Offers
    Design B: Home → Pens → Search → Cart → Item → Shop
23. 23.🎨 UI stands for user ___. (a) internet (b) interface (c) idea (d) input
24. 24.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) big touch targets (d) fast-flashing lights
26. 26.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on white (c) red on green (d) white on black
27. 27.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the phone is lost (d) the screen turns off
28. 28.True or false: space between buttons is good button design. (a) True (b) False
29. 29.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
30. 30.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) see the home screen (d) enter the code sent
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Video”
    4. open “Badges”
    Which screen are you on now? (a) Score card (b) Badges (c) Home (d) Video
32. 32.Which of these is true of a final design? (a) shows where things go (b) has no real colours (c) has the real colours (d) uses plain grey boxes
33. 33.True or false: a final design has the real colours. (a) False (b) True
34. 34.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
35. 35.🔢 In a sign-up flow, which comes first: “type name and email” or “see the home screen”? (a) see the home screen (b) type name and email
36. 36.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Help page”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🔢 In a food-order flow, what comes right after “check the cart”? (a) track the order (b) open the menu (c) add it to the cart (d) pay for the order
39. 39.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
40. 40.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ top bar ]
    [ menu icon ]
    [ filter buttons ]
    [ big picture ]
    [ title text ] (a) big picture (b) menu icon (c) title text (d) filter buttons

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