App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 893 · 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.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
2. 2.🔢 In a sign-up flow, what comes right after “type name and email”? (a) open the app (b) enter the code sent (c) make a password (d) see the home screen
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. open “Map”
   3. tap the Feed tab
   4. open “Map”
   5. tap Back
   Which screen are you on now? (a) Map (b) Video (c) Chat (d) Feed
4. 4.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 36 px tall
   Send button: 32 px tall
   Help button: 44 px tall
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Item → Pay
   Design B: Home → Shop → Cart → Offers → Search → Pens → Item
6. 6.True or false: a tiny 20 px button is poor button design. (a) False (b) True
7. 7.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) open the app (b) tap “Sign up”
8. 8.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
9. 9.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
10. 10.Which of these is true of a wireframe? (a) uses the final pictures (b) shows the real fonts (c) has the real colours (d) is a quick sketch
11. 11.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
12. 12.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
13. 13.Which of these fits saving on the phone? (a) photos on two devices (b) chat messages to friends (c) your last game level (d) a shared to-do list
14. 14.Which colour pair is hard to read? (a) black on pale grey (b) pale pink on white (c) white on black (d) dark blue on white
15. 15.🧭 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. tap the Home tab
    Which screen are you on now? (a) Search (b) Profile (c) Home (d) Help page
16. 16.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
17. 17.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
18. 18.Which of these is about UX (the experience)? (a) the icon shapes (b) how easy sign-up is (c) the button colours (d) the font size
19. 19.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) fast-flashing lights
20. 20.🔢 In a food-order flow, which comes first: “open the menu” or “pick a dish”? (a) pick a dish (b) open the menu
21. 21.🔍 Which is the odd one out? (a) the icon shapes (b) how users feel after (c) the font size (d) the theme colours
22. 22.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
23. 23.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
24. 24.Which of these fits saving in the cloud? (a) your last game level (b) a draft you are typing (c) the sound on/off setting (d) a shared to-do list
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Search → Pay → Item
    Design B: Home → Pens → Offers (a) Design B (b) Design A
26. 26.Which of these is true of a wireframe? (a) shows the real fonts (b) uses plain grey boxes (c) looks like the real app (d) uses the final pictures
27. 27.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ menu icon ]
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ top bar ] (a) search box (b) tab bar (c) menu icon (d) title text
28. 28.Which of these is true of a final design? (a) shows where things go (b) uses the final pictures (c) is a quick sketch (d) uses plain grey boxes
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Footer: 22 px
    Caption: 27 px
    Hint: 17 px
    Menu: 23 px (a) Body text (b) Hint (c) Footer (d) Caption
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Menu: 10 px
    Footer: 24 px
    Caption: 18 px
    Title: 10 px
31. 31.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
32. 32.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
33. 33.True or false: grey text on grey is poor button design. (a) True (b) False
34. 34.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) an error (c) delete this (d) a closed app
35. 35.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 56 px tall
    Back button: 72 px tall
    Send button: 28 px tall (a) Send (b) Done (c) Back
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🔍 Which is the odd one out? (a) whether users get lost (b) how many taps it takes (c) the icon shapes (d) how fast a task is done
38. 38.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 28 px tall
    Save button: 56 px tall
    Help button: 48 px tall
    Next button: 56 px tall (a) Help (b) Next (c) Save (d) Send
39. 39.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
40. 40.True or false: a wireframe shows the real fonts. (a) False (b) True

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