App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 359 · 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 true of a final design? (a) uses plain grey boxes (b) shows where things go (c) has no real colours (d) uses the final pictures
2. 2.Which of these is true of a final design? (a) shows the real fonts (b) shows where things go (c) has no real colours (d) is a quick sketch
3. 3.🔢 In a food-order flow, which comes first: “pay for the order” or “add it to the cart”? (a) add it to the cart (b) pay for the order
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. open “Match report”
   3. open “Help page”
   4. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
5. 5.True or false: buttons almost touching is poor button design. (a) True (b) False
6. 6.🌗 Is red on green easy or hard to read on a button? (a) hard to read (b) easy to read
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
8. 8.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
9. 9.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
10. 10.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
11. 11.True or false: a wireframe shows where things go. (a) False (b) True
12. 12.💾 Which can hold many values in order? (a) a button (b) a list (c) a single number (d) a switch
13. 13.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
14. 14.True or false: a draft you are typing fits saving in the cloud. (a) False (b) True
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Label: 13 px
    Title: 25 px
    Footer: 18 px
    Menu: 23 px (a) Title (b) Label (c) Footer (d) Body text
17. 17.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
18. 18.🎨 UI stands for user ___. (a) input (b) internet (c) idea (d) interface
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) tap “Start quiz” (c) read a question (d) see the final score
21. 21.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) tap “Start quiz” (b) see the final score (c) read a question (d) see if it is right
22. 22.🔍 Which is the odd one out? (a) the font size (b) the icon shapes (c) how users feel after (d) the screen layout
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) tiny tap areas
24. 24.🔘 Our rule: buttons are at least 48 px tall. The Next button is 36 px tall. How many px taller must it be?
25. 25.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) the theme colours (b) the font size (c) how easy sign-up is (d) the screen layout
27. 27.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
28. 28.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
29. 29.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 36 px tall
    Done button: 64 px tall
    Send button: 56 px tall (a) Done (b) Send (c) Help
30. 30.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) captions on videos
31. 31.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
32. 32.✏️ Why draw a wireframe before coding? (a) changes are quick (b) it adds colours (c) it saves data (d) it runs the app
33. 33.🔢 In a photo-post flow, which comes first: “open the camera screen” or “add a filter”? (a) add a filter (b) open the camera screen
34. 34.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ list of items ]
    [ menu icon ]
    [ title text ]
    [ search box ]
    [ Add button ] (a) menu icon (b) search box (c) list of items (d) Add button
36. 36.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
37. 37.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ top bar ]
    [ title text ]
    [ menu icon ]
    [ search box ]
38. 38.True or false: how many taps it takes is about UI (the look). (a) False (b) True
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Pay → Shop → Confirm
    Design B: Home → Confirm → Pay → Pens → Shop → Address
40. 40.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read

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