App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 323 · 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 is the odd one out? (a) the theme colours (b) how users feel after (c) how many taps it takes (d) how easy sign-up is
2. 2.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
3. 3.Which of these fits saving in the cloud? (a) notes to read offline (b) chat messages to friends (c) a draft you are typing (d) your last game level
4. 4.🎨 UX stands for user ___. (a) extra (b) express (c) experience (d) example
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Badges”
   3. tap the Profile tab
   Which screen are you on now? (a) Search (b) Badges (c) Profile (d) Home
6. 6.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. tap the Search tab
   3. open “Score card”
   Which screen are you on now? (a) Search (b) Score card (c) Home (d) Badges
8. 8.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) big touch targets
9. 9.🔢 In a quiz-app flow, which comes first: “pick an answer” or “see if it is right”? (a) see if it is right (b) pick an answer
10. 10.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
11. 11.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ Save button ]
    [ big picture ]
    [ filter buttons ]
    [ Add button ] (a) filter buttons (b) Save button (c) big picture
12. 12.True or false: how fast a task is done is about UI (the look). (a) True (b) False
13. 13.💾 What does this code show? (Positions start at 0.)
    let notes = ["Maths", "Music", "Art"];
    show(notes[1]); (a) Maths (b) Art (c) Music
14. 14.💾 What number does this code show?
    let score = 9;
    score = score - 3;
    score = score + 1;
    show(score);
15. 15.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) the same screen (c) a dead end (d) a clear next step
16. 16.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
17. 17.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) pick an answer (b) tap “Start quiz”
18. 18.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) see the final score (c) read a question (d) pick an answer
19. 19.True or false: a wireframe uses plain grey boxes. (a) True (b) False
20. 20.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Results → Size → Pay
    Design B: Home → Confirm → Pens → Size
21. 21.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) read a question (c) pick an answer (d) see the final score
22. 22.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) hides extra links (d) goes to the last screen
23. 23.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 56 px tall
    Send button: 52 px tall
    Cancel button: 36 px tall
    Done button: 52 px tall
24. 24.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
25. 25.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
26. 26.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) pick an answer (c) see if it is right (d) read a question
27. 27.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) the button colours (d) whether users get lost
28. 28.True or false: a final design shows where things go. (a) False (b) True
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 36 px tall
    Send button: 40 px tall
    Start button: 40 px tall
31. 31.True or false: grey text on grey is good button design. (a) True (b) False
32. 32.💾 pop() takes off the last item. What does this code show?
    let songs = ["Monsoon", "Kites", "Sunrise", "Rain", "Ocean"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Kites (b) Sunrise (c) Rain (d) Monsoon
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Item → Address → Shop → Menu → Cart
    Design B: Home → Shop → Offers → Confirm → Search → Size
34. 34.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
35. 35.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) tap “Start quiz” (b) see the final score
36. 36.Which of these fits saving in the cloud? (a) a class leaderboard (b) the sound on/off setting (c) notes to read offline (d) a draft you are typing
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) big touch targets
38. 38.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
39. 39.Which of these is about UX (the experience)? (a) how fast a task is done (b) the font size (c) the icon shapes (d) the button colours
40. 40.💾 Which can hold many values in order? (a) a button (b) a single number (c) a list (d) a switch

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