App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 71 · 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.True or false: chat messages to friends fits saving on the phone. (a) False (b) True
2. 2.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
3. 3.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ menu icon ]
   [ search box ]
   [ tab bar ]
   [ list of items ]
   [ Add button ] (a) tab bar (b) Add button (c) menu icon (d) list of items
4. 4.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) how many taps it takes (d) the font size
5. 5.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) nobody (d) only yourself
6. 6.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
7. 7.🔢 In a photo-post flow, what comes right after “write a caption”? (a) open the camera screen (b) post the photo (c) take the photo (d) add a filter
8. 8.🔍 Which is the odd one out? (a) the theme colours (b) the screen layout (c) the icon shapes (d) whether users get lost
9. 9.💾 What does this code show? (Positions start at 0.)
   let notes = ["Maths", "Art", "Science"];
   show(notes[2]); (a) Maths (b) Art (c) Science
10. 10.True or false: a final design looks like the real app. (a) False (b) True
11. 11.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) text that can grow (d) strong colour contrast
13. 13.💾 What does this code show? (Positions start at 0.)
    let notes = ["Maths", "Music", "Hindi", "Sports"];
    show(notes[0]); (a) Hindi (b) Sports (c) Music (d) Maths
14. 14.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 64 px tall
    Start button: 36 px tall
    Help button: 60 px tall (a) Send (b) Help (c) Start
15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
18. 18.🎨 Is this about UI or UX: how fast a task is done? (a) UX (b) UI
19. 19.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) take the photo (b) open the camera screen
20. 20.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) see if it is right
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) icons with no labels (d) colour as the only clue
22. 22.🔢 In a quiz-app flow, which comes first: “see if it is right” or “tap “Start quiz””? (a) see if it is right (b) tap “Start quiz”
23. 23.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
24. 24.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
25. 25.💾 Which can hold many values in order? (a) a list (b) a single number (c) a switch (d) a button
26. 26.True or false: how many taps it takes is about UI (the look). (a) True (b) False
27. 27.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a dead end (c) the same screen (d) a clear next step
28. 28.True or false: a shared to-do list fits saving in the cloud. (a) True (b) False
29. 29.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
30. 30.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ menu icon ]
    [ tab bar ]
    [ top bar ]
    [ Save button ]
    [ filter buttons ] (a) filter buttons (b) tab bar (c) menu icon (d) Save button
31. 31.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ top bar ]
    [ filter buttons ]
    [ menu icon ]
    [ search box ]
    [ tab bar ] (a) top bar (b) search box (c) filter buttons (d) tab bar
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Confirm → Menu
    Design B: Home → Address → Offers → Item → Menu → Shop (a) Design B (b) Design A
33. 33.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
34. 34.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) post the photo (b) write a caption
35. 35.True or false: a tiny 20 px button is good button design. (a) True (b) False
36. 36.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a draft you are typing (c) photos on two devices (d) notes to read offline
37. 37.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 56 px tall
    Save button: 28 px tall
    Send button: 72 px tall (a) Next (b) Send (c) Save
38. 38.💾 What number does this code show?
    let friends = ["Riya", "Arjun", "Zoya"];
    friends.push("Aman");
    show(friends.length);
39. 39.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) track the order (b) check the cart (c) open the menu (d) pay for the order
40. 40.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) see the home screen (b) make a password (c) enter the code sent (d) type name and email

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