App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 924 · 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.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Next button: 60 px tall
   Cancel button: 52 px tall
   Send button: 40 px tall (a) Next (b) Cancel (c) Send
2. 2.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
3. 3.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Cancel button: 44 px tall
   Next button: 68 px tall
   Send button: 56 px tall (a) Send (b) Next (c) Cancel
4. 4.Which of these fits saving in the cloud? (a) a class leaderboard (b) notes to read offline (c) a draft you are typing (d) the sound on/off setting
5. 5.🖼️ In this wireframe (top to bottom), what is right above the top bar?
   [ list of items ]
   [ top bar ]
   [ menu icon ]
   [ title text ] (a) menu icon (b) title text (c) list of items
6. 6.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) goes to the last screen
7. 7.Which of these is about UI (the look)? (a) how users feel after (b) how fast a task is done (c) the font size (d) whether users get lost
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. tap Back
   3. open “Help page”
   Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Help page
9. 9.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Confirm → Shop
    Design B: Home → Pay → Shop → Item → Pens → Address (a) Design B (b) Design A
11. 11.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. open “Score card”
    5. open “Help page”
    Which screen are you on now? (a) Score card (b) Home (c) Search (d) Help page
13. 13.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
14. 14.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    5. open “Help page”
    Which screen are you on now? (a) Score card (b) Lessons (c) Help page (d) Edit photo
16. 16.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) how many taps it takes (d) the icon shapes
17. 17.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) pick a dish (d) check the cart
18. 18.Which of these is true of a wireframe? (a) shows the real fonts (b) has no real colours (c) uses the final pictures (d) looks like the real app
19. 19.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
20. 20.True or false: the icon shapes is about UX (the experience). (a) True (b) False
21. 21.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
22. 22.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) see if it is right
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Save button is 24 px tall. How many px taller must it be?
24. 24.Which of these fits saving in the cloud? (a) your last game level (b) a draft you are typing (c) notes to read offline (d) photos on two devices
25. 25.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
26. 26.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ top bar ]
    [ filter buttons ]
    [ big picture ]
    [ Add button ]
    [ search box ]
    [ tab bar ] (a) big picture (b) top bar (c) Add button (d) search box
27. 27.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) shows where things go (d) uses the final pictures
28. 28.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 52 px tall
    Send button: 52 px tall
    Done button: 36 px tall
    Start button: 64 px tall
29. 29.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Results → Shop → Search → Pay → Address
    Design B: Home → Item → Size → Pens
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Results → Pens
    Design B: Home → Offers → Menu → Pay → Search → Shop → Pens
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Body text: 24 px
    Footer: 19 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Hint: 16 px
    Footer: 19 px (a) Hint (b) Footer (c) Label
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Address
    Design B: Home → Search → Shop → Pens
35. 35.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pens → Menu
    Design B: Home → Results → Item → Pay → Search → Offers → Address (a) Design A (b) Design B
36. 36.Which of these is about UX (the experience)? (a) the screen layout (b) how easy sign-up is (c) the theme colours (d) the button colours
37. 37.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Pay
    Design B: Home → Cart → Size → Confirm → Menu → Address → Search
38. 38.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Title: 17 px
    Footer: 20 px
    Label: 19 px
    Body text: 11 px (a) Body text (b) Hint (c) Footer (d) Title
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. open “Edit photo”
    4. tap the Chat tab
    Which screen are you on now? (a) Edit photo (b) Feed (c) Badges (d) Chat

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