App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 960 · 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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Pay
   Design B: Home → Size → Confirm → Shop → Menu → Cart (a) Design A (b) Design B
2. 2.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Save button: 32 px tall
   Back button: 48 px tall
   Start button: 72 px tall
   Cancel button: 72 px tall (a) Back (b) Cancel (c) Start (d) Save
3. 3.True or false: your last game level fits saving on the phone. (a) True (b) False
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 64 px tall
   Save button: 68 px tall
   Help button: 40 px tall (a) Start (b) Help (c) Save
5. 5.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
6. 6.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) labels on every icon
7. 7.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
8. 8.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) post the photo (c) take the photo (d) open the camera screen
9. 9.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) pick an answer (c) read a question (d) see if it is right
10. 10.🔍 Which is the odd one out? (a) how users feel after (b) the button colours (c) the icon shapes (d) the font size
11. 11.True or false: space between buttons is poor button design. (a) True (b) False
12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now? (a) Score card (b) Map (c) Edit photo (d) Video
13. 13.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) is a quick sketch (d) looks like the real app
14. 14.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
15. 15.🔘 Our rule: buttons are at least 48 px tall. The Done button is 20 px tall. How many px taller must it be?
16. 16.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) big touch targets (d) icons with no labels
17. 17.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    Which screen are you on now? (a) Lessons (b) Map (c) Quiz (d) Me
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Hint: 24 px
    Menu: 18 px
20. 20.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Title: 10 px
    Footer: 16 px
    Label: 23 px
22. 22.Which of these is true of a wireframe? (a) looks like the real app (b) has no real colours (c) uses the final pictures (d) has the real colours
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Body text: 26 px
    Footer: 16 px
    Hint: 17 px
    Caption: 12 px (a) Title (b) Footer (c) Body text (d) Caption
24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
25. 25.🔢 In a photo-post flow, which comes first: “post the photo” or “take the photo”? (a) take the photo (b) post the photo
26. 26.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
27. 27.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
28. 28.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
29. 29.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ search box ]
    [ filter buttons ]
    [ menu icon ]
    [ big picture ] (a) menu icon (b) filter buttons (c) search box (d) big picture
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) tap “Start quiz” (c) see the final score (d) read a question
32. 32.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
33. 33.🎨 Who should you test the UX with? (a) only yourself (b) the app icon (c) nobody (d) real users
34. 34.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
35. 35.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ menu icon ]
    [ tab bar ]
    [ title text ]
    [ filter buttons ]
    [ Add button ]
    [ Save button ] (a) tab bar (b) filter buttons (c) Save button (d) menu icon
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap the Feed tab
    Which screen are you on now? (a) Friend list (b) Chat (c) Feed (d) Edit photo
37. 37.🎨 UI stands for user ___. (a) input (b) internet (c) interface (d) idea
38. 38.🌗 Is red on green easy or hard to read on a button? (a) hard to read (b) easy to read
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Menu: 20 px
    Title: 19 px
    Footer: 19 px (a) Caption (b) Menu (c) Footer (d) Title
40. 40.Which colour pair is hard to read? (a) black on yellow (b) white on dark green (c) yellow on white (d) dark blue on white

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students