App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 534 · 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 a food-order flow, which comes first: “open the menu” or “pay for the order”? (a) open the menu (b) pay for the order
2. 2.🖼️ How many parts (boxes) does this wireframe have?
   [ Save button ]
   [ title text ]
   [ big picture ]
   [ Add button ]
3. 3.💾 What number does this code show?
   let score = 4;
   score = score - 1;
   score = score + 2;
   show(score);
4. 4.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) sudden loud sounds (d) fast-flashing lights
5. 5.Which of these fits saving on the phone? (a) the sound on/off setting (b) chat messages to friends (c) a class leaderboard (d) photos on two devices
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Shop → Results → Pens
   Design B: Home → Size → Cart
7. 7.🔢 In a sign-up flow, which comes first: “make a password” or “see the home screen”? (a) see the home screen (b) make a password
8. 8.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
9. 9.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Confirm → Size → Pens → Shop → Cart
    Design B: Home → Item → Search → Size
11. 11.🔍 Which is the odd one out? (a) whether users get lost (b) the theme colours (c) how easy sign-up is (d) how users feel after
12. 12.Which of these is about UI (the look)? (a) how many taps it takes (b) the button colours (c) how fast a task is done (d) how users feel after
13. 13.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    Which screen are you on now? (a) Feed (b) Chat (c) Help page (d) Video
15. 15.Which of these is true of a final design? (a) has no real colours (b) shows where things go (c) is a quick sketch (d) has the real colours
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now? (a) Help page (b) Edit photo (c) Lessons (d) Match report
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) tap “Start quiz” (c) see the final score (d) pick an answer
19. 19.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
    [ filter buttons ]
    [ big picture ]
    [ top bar ]
    [ title text ] (a) top bar (b) title text (c) big picture
20. 20.Which of these is true of a wireframe? (a) has the real colours (b) shows the real fonts (c) shows where things go (d) looks like the real app
21. 21.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Pens
    Design B: Home → Menu → Item → Offers
23. 23.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) a draft you are typing (d) chat messages to friends
24. 24.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
25. 25.💾 Data saved only on the phone is lost when ___. (a) the phone is lost (b) you send a message (c) the screen turns off (d) the app is closed
26. 26.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Cart
    Design B: Home → Search → Pay → Item
28. 28.True or false: the button colours is about UX (the experience). (a) False (b) True
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
30. 30.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) how easy sign-up is (d) the font size
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. open “Video”
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now? (a) Video (b) Match report (c) Home (d) Help page
32. 32.🔢 In a food-order flow, which comes first: “open the menu” or “add it to the cart”? (a) add it to the cart (b) open the menu
33. 33.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) no UI at all (d) good UI but poor UX
34. 34.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
35. 35.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pick a dish (b) track the order (c) check the cart (d) pay for the order
36. 36.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ menu icon ]
    [ tab bar ]
37. 37.🔢 In a sign-up flow, which comes FIRST? (a) type name and email (b) make a password (c) tap “Sign up” (d) open the app
38. 38.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
39. 39.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) how many taps it takes (d) the font size
40. 40.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder

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