App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 646 · 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.🖼️ In this wireframe (top to bottom), what is right below the search box?
   [ Add button ]
   [ top bar ]
   [ list of items ]
   [ search box ]
   [ tab bar ] (a) Add button (b) tab bar (c) list of items (d) top bar
2. 2.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
3. 3.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
4. 4.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a picture goes here (c) a closed app (d) delete this
5. 5.True or false: a wireframe shows where things go. (a) False (b) True
6. 6.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) read a question (b) tap “Start quiz”
7. 7.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Results → Item → Offers → Size → Confirm
   Design B: Home → Address → Size
8. 8.True or false: a final design has no real colours. (a) True (b) False
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. open “Match report”
   3. tap the Settings tab
   Which screen are you on now? (a) Edit photo (b) Feed (c) Match report (d) Settings
10. 10.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) in the cloud (b) on the phone
11. 11.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) a draft you are typing (d) chat messages to friends
12. 12.🔍 Which is the odd one out? (a) how users feel after (b) how fast a task is done (c) the font size (d) how easy sign-up is
13. 13.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) the same screen (d) a dead end
14. 14.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
15. 15.🔢 In a food-order flow, which comes first: “pick a dish” or “open the menu”? (a) open the menu (b) pick a dish
16. 16.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) write a caption (c) add a filter (d) open the camera screen
17. 17.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
18. 18.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
19. 19.True or false: a clear word like Save is good button design. (a) True (b) False
20. 20.✏️ Why draw a wireframe before coding? (a) it saves data (b) it runs the app (c) changes are quick (d) it adds colours
21. 21.🔢 In a food-order flow, which comes first: “add it to the cart” or “open the menu”? (a) open the menu (b) add it to the cart
22. 22.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) worse UX (c) better UX (d) a bigger app
23. 23.Which of these is true of a wireframe? (a) has no real colours (b) has the real colours (c) shows the real fonts (d) uses the final pictures
24. 24.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 60 px tall
    Start button: 64 px tall
    Send button: 40 px tall
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
27. 27.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
28. 28.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ title text ]
    [ search box ]
    [ big picture ]
    [ tab bar ]
    [ top bar ]
    [ menu icon ] (a) title text (b) top bar (c) big picture (d) menu icon
29. 29.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) check the cart (b) track the order
30. 30.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 52 px tall
    Next button: 28 px tall
    Help button: 56 px tall
    Back button: 56 px tall (a) Next (b) Help (c) Back (d) Cancel
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 60 px tall
    Start button: 36 px tall
    Send button: 72 px tall
    Help button: 64 px tall (a) Save (b) Help (c) Send (d) Start
34. 34.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) tap “Start quiz” (c) read a question (d) see the final score
35. 35.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
36. 36.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud backup (c) a shared chat (d) a cloud leaderboard
37. 37.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) is a quick sketch (d) uses the final pictures
38. 38.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ Add button ]
    [ list of items ]
    [ big picture ]
    [ top bar ]
    [ Save button ]
    [ search box ] (a) Save button (b) list of items (c) search box (d) top bar
39. 39.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: a final design has the real colours. (a) True (b) False

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