App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 423 · 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 fits saving in the cloud? (a) your last game level (b) the sound on/off setting (c) a shared to-do list (d) notes to read offline
2. 2.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) text that can grow
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap the Settings tab
   3. open “Friend list”
   4. open “Match report”
   5. open “Edit photo”
   Which screen are you on now? (a) Friend list (b) Badges (c) Match report (d) Edit photo
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Menu: 18 px
   Title: 18 px
   Hint: 14 px
5. 5.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
6. 6.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
8. 8.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a clear next step (c) a random page (d) the same screen
9. 9.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
10. 10.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
11. 11.🔢 In a quiz-app flow, which comes first: “see the final score” or “see if it is right”? (a) see the final score (b) see if it is right
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Search → Shop
    Design B: Home → Shop → Address → Offers → Pens → Results (a) Design B (b) Design A
13. 13.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
14. 14.Which of these fits saving on the phone? (a) chat messages to friends (b) the sound on/off setting (c) a shared to-do list (d) a class leaderboard
15. 15.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) enter the code sent (c) see the home screen (d) make a password
16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
17. 17.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a bright colour (d) a sound
18. 18.✏️ What is a wireframe? (a) a charging cable (b) the finished app (c) a simple screen sketch (d) a type of password
19. 19.🎨 Who should you test the UX with? (a) the app icon (b) nobody (c) real users (d) only yourself
20. 20.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) shows the real fonts (d) uses plain grey boxes
21. 21.🎨 UI stands for user ___. (a) internet (b) input (c) interface (d) idea
22. 22.Which of these is true of a final design? (a) uses plain grey boxes (b) is a quick sketch (c) has the real colours (d) has no real colours
23. 23.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
24. 24.🔢 In a food-order flow, what comes right after “open the menu”? (a) track the order (b) pick a dish (c) add it to the cart (d) check the cart
25. 25.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ Save button ]
    [ menu icon ] (a) tab bar (b) menu icon (c) title text (d) search box
26. 26.Which colour pair is hard to read? (a) white on dark green (b) yellow on white (c) black on yellow (d) dark blue on white
27. 27.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) tab bar (c) home screen (d) dead end
28. 28.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
29. 29.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) add a filter (c) write a caption (d) take the photo
32. 32.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
33. 33.🔢 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
34. 34.True or false: the button colours is about UI (the look). (a) False (b) True
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now? (a) Match report (b) Video (c) Lessons (d) Quiz
36. 36.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
37. 37.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ big picture ]
    [ menu icon ]
    [ title text ]
    [ top bar ] (a) title text (b) list of items (c) big picture (d) top bar
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Menu → Search
    Design B: Home → Cart → Menu → Confirm → Search → Pens (a) Design A (b) Design B
39. 39.💾 What number does this code show?
    let friends = ["Meera", "Kabir", "Aman", "Zoya"];
    friends.push("Arjun");
    show(friends.length);
40. 40.🌗 Is black on pale grey 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