App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 508 · 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.True or false: a wireframe shows where things go. (a) False (b) True
2. 2.🔢 In a photo-post flow, which comes first: “take the photo” or “write a caption”? (a) write a caption (b) take the photo
3. 3.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ Add button ]
   [ search box ]
   [ tab bar ]
   [ big picture ] (a) big picture (b) tab bar (c) search box (d) Add button
4. 4.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Size → Shop → Confirm → Results → Cart → Pay
   Design B: Home → Pay → Item → Menu → Pens
5. 5.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) shows the real fonts (d) has the real colours
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Help page”
   3. tap the Feed tab
   4. tap the Chat tab
   Which screen are you on now? (a) Chat (b) Help page (c) Feed (d) Settings
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. open “Video”
   3. tap Back
   4. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.Which of these is about UX (the experience)? (a) the screen layout (b) the button colours (c) the font size (d) how easy sign-up is
9. 9.💾 pop() takes off the last item. What does this code show?
   let songs = ["Rain", "Ocean", "Sunrise"];
   songs.pop();
   show(songs[songs.length - 1]); (a) Rain (b) Sunrise (c) Ocean
10. 10.🔘 Our rule: buttons are at least 48 px tall. The Done button is 44 px tall. How many px taller must it be?
11. 11.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Badges”
    4. tap the Chat tab
    5. tap the Chat tab
    Which screen are you on now? (a) Feed (b) Badges (c) Settings (d) Chat
13. 13.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
14. 14.Which colour pair is easy to read? (a) yellow on white (b) pale pink on white (c) dark blue on black (d) black on pale grey
15. 15.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) icons with no labels (d) big touch targets
17. 17.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) track the order (b) pay for the order
18. 18.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now? (a) Profile (b) Search (c) Video (d) Home
20. 20.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) never need a password (c) skip the internet (d) use it on any device
21. 21.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) opens a list of pages
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Item → Menu → Cart → Pay → Size → Shop
    Design B: Home → Results → Search
23. 23.🔢 In a food-order flow, what comes right after “pay for the order”? (a) add it to the cart (b) pick a dish (c) track the order (d) open the menu
24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
25. 25.🔢 In a sign-up flow, which comes first: “enter the code sent” or “open the app”? (a) enter the code sent (b) open the app
26. 26.Which colour pair is hard to read? (a) dark blue on black (b) dark blue on white (c) black on pale grey (d) white on dark green
27. 27.Which of these is about UI (the look)? (a) how fast a task is done (b) the button colours (c) how users feel after (d) how many taps it takes
28. 28.🌗 Is black on yellow easy or hard to read on a button? (a) easy to read (b) hard to read
29. 29.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) the server (d) fast typists
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Offers → Menu → Search
    Design B: Home → Search → Offers → Cart → Address → Item (a) Design A (b) Design B
32. 32.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Menu
    Design B: Home → Results → Confirm → Size → Menu → Cart
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ search box ]
    [ Save button ]
    [ filter buttons ]
    [ menu icon ]
    [ top bar ]
34. 34.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
35. 35.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) switches main sections (d) goes to the last screen
36. 36.Which of these is true of a final design? (a) has no real colours (b) shows where things go (c) has the real colours (d) is a quick sketch
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Search → Shop → Cart → Item → Pens
    Design B: Home → Shop → Pay
39. 39.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ top bar ]
    [ Save button ]
    [ big picture ]
    [ title text ] (a) big picture (b) title text (c) Save button
40. 40.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read

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