App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 959 · 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 sign-up flow, which comes FIRST? (a) enter the code sent (b) open the app (c) tap “Sign up” (d) make a password
2. 2.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Item → Pay → Cart → Search → Offers → Menu
   Design B: Home → Shop → Confirm → Cart → Search → Results (a) Design A (b) Design B
3. 3.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) track the order (b) pay for the order
4. 4.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
5. 5.🔢 In a food-order flow, which comes first: “track the order” or “pay for the order”? (a) pay for the order (b) track the order
6. 6.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) see if it is right (c) tap “Start quiz” (d) read a question
7. 7.Which of these is about UI (the look)? (a) how users feel after (b) how fast a task is done (c) the screen layout (d) how easy sign-up is
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 14 px
   Label: 17 px
   Title: 17 px (a) Title (b) Label (c) Caption
9. 9.True or false: how users feel after is about UI (the look). (a) True (b) False
10. 10.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) tab bar (c) home screen (d) dead end
11. 11.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
12. 12.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
13. 13.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) has the real colours (d) shows where things go
14. 14.💾 pop() takes off the last item. What does this code show?
    let songs = ["Ocean", "Monsoon", "Stars", "Rain"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Ocean (b) Monsoon (c) Rain (d) Stars
15. 15.🔢 In a sign-up flow, which comes first: “see the home screen” or “tap “Sign up””? (a) tap “Sign up” (b) see the home screen
16. 16.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) open the camera screen (c) post the photo (d) write a caption
17. 17.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) write a caption (c) add a filter (d) open the camera screen
18. 18.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a final design (b) a wireframe
19. 19.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) see the home screen (b) type name and email (c) enter the code sent (d) open the app
20. 20.🔘 Our rule: buttons are at least 48 px tall. The Save button is 40 px tall. How many px taller must it be?
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
22. 22.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) photos on two devices (d) chat messages to friends
23. 23.🔍 Which is the odd one out? (a) the font size (b) how many taps it takes (c) the button colours (d) the icon shapes
24. 24.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) read a question (c) tap “Start quiz” (d) see if it is right
25. 25.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) add a filter (c) open the camera screen (d) post the photo
26. 26.🎨 Who should you test the UX with? (a) real users (b) only yourself (c) nobody (d) the app icon
27. 27.💾 pop() takes off the last item. What does this code show?
    let songs = ["Ocean", "Rain", "Sunrise"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Rain (b) Sunrise (c) Ocean
28. 28.🖼️ How many parts (boxes) does this wireframe have?
    [ top bar ]
    [ search box ]
    [ menu icon ]
    [ tab bar ]
29. 29.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
30. 30.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.True or false: a clear word like Save is poor button design. (a) False (b) True
32. 32.🔢 In a photo-post flow, what comes right after “take the photo”? (a) post the photo (b) add a filter (c) open the camera screen (d) write a caption
33. 33.🔢 In a food-order flow, which comes first: “pick a dish” or “track the order”? (a) track the order (b) pick a dish
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. open “Help page”
    Which screen are you on now? (a) Feed (b) Help page (c) Badges (d) Friend list
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
36. 36.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
37. 37.True or false: the screen layout is about UX (the experience). (a) False (b) True
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now? (a) Friend list (b) Me (c) Lessons (d) Quiz
39. 39.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Match report (b) Chat (c) Friend list (d) Feed

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