App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 501 · 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, what comes right after “open the menu”? (a) pick a dish (b) check the cart (c) pay for the order (d) add it to the cart
2. 2.Which of these is true of a wireframe? (a) uses the final pictures (b) uses plain grey boxes (c) has the real colours (d) shows the real fonts
3. 3.🔢 In a photo-post flow, which comes first: “open the camera screen” or “write a caption”? (a) write a caption (b) open the camera screen
4. 4.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
5. 5.True or false: a wireframe uses the final pictures. (a) False (b) True
6. 6.🖼️ In this wireframe (top to bottom), what is right below the Save button?
   [ top bar ]
   [ filter buttons ]
   [ Save button ]
   [ search box ]
   [ menu icon ] (a) search box (b) filter buttons (c) menu icon (d) top bar
7. 7.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
9. 9.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
10. 10.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
11. 11.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
12. 12.🔢 In a photo-post flow, which comes first: “take the photo” or “add a filter”? (a) add a filter (b) take the photo
13. 13.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 64 px tall
    Start button: 72 px tall
    Done button: 52 px tall
    Save button: 24 px tall (a) Start (b) Done (c) Save (d) Help
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Quiz tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
16. 16.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Cart → Item → Menu
    Design B: Home → Pens → Search → Address
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Chat (c) Feed (d) Match report
18. 18.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
19. 19.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) post the photo (c) open the camera screen (d) take the photo
20. 20.Which colour pair is hard to read? (a) black on yellow (b) white on dark green (c) pale pink on white (d) black on pale grey
21. 21.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
22. 22.Which of these fits saving on the phone? (a) a shared to-do list (b) photos on two devices (c) a class leaderboard (d) your last game level
23. 23.Which of these is true of a wireframe? (a) uses the final pictures (b) looks like the real app (c) shows the real fonts (d) shows where things go
24. 24.💾 pop() takes off the last item. What does this code show?
    let notes = ["Maths", "Art", "Music"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Music (b) Maths (c) Art
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Size → Pay
    Design B: Home → Confirm → Shop
26. 26.True or false: a final design looks like the real app. (a) True (b) False
27. 27.True or false: a wireframe shows the real fonts. (a) True (b) False
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. open “Score card”
    4. open “Match report”
    Which screen are you on now? (a) Score card (b) Badges (c) Video (d) Match report
29. 29.True or false: a final design is a quick sketch. (a) True (b) False
30. 30.💾 What does this code show? (Positions start at 0.)
    let songs = ["Stars", "Monsoon", "Sunrise", "Kites"];
    show(songs[2]); (a) Stars (b) Kites (c) Sunrise (d) Monsoon
31. 31.True or false: the button colours is about UI (the look). (a) False (b) True
32. 32.🎨 UI stands for user ___. (a) internet (b) idea (c) input (d) interface
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Cart
    Design B: Home → Menu → Address → Shop
34. 34.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
35. 35.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) more colours (c) a bigger app (d) better UX
36. 36.True or false: a wireframe shows where things go. (a) True (b) False
37. 37.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
38. 38.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) a microphone (d) pencil and paper
39. 39.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
40. 40.Which of these fits saving in the cloud? (a) a shared to-do list (b) a draft you are typing (c) notes to read offline (d) the sound on/off setting

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