App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 78 · 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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Size → Offers → Pens → Results → Item
   Design B: Home → Menu → Item → Offers → Cart (a) Design B (b) Design A
2. 2.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
3. 3.🎨 Fewer taps to finish a task usually means ___. (a) more colours (b) worse UX (c) a bigger app (d) better UX
4. 4.🔢 In a sign-up flow, which comes LAST? (a) open the app (b) tap “Sign up” (c) see the home screen (d) enter the code sent
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Size → Results
   Design B: Home → Results → Pens → Offers → Menu → Pay
6. 6.💾 What is a variable? (a) a phone setting (b) a named box for a value (c) a picture (d) a type of screen
7. 7.💾 What number does this code show?
   let songs = ["Ocean", "Stars", "Sunrise", "Rain"];
   songs.push("Monsoon");
   show(songs.length);
8. 8.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a picture goes here (c) a closed app (d) delete this
9. 9.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
10. 10.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
11. 11.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
12. 12.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
13. 13.💾 What number does this code show?
    let score = 7;
    score = score - 3;
    score = score + 1;
    show(score);
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ title text ]
    [ list of items ]
    [ Save button ] (a) Save button (b) title text (c) tab bar (d) list of items
15. 15.🔢 In a sign-up flow, which comes first: “make a password” or “see the home screen”? (a) make a password (b) see the home screen
16. 16.🔢 In a sign-up flow, which comes first: “type name and email” or “open the app”? (a) open the app (b) type name and email
17. 17.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) opens a list of pages
18. 18.🔢 In a sign-up flow, which comes first: “enter the code sent” or “type name and email”? (a) enter the code sent (b) type name and email
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now? (a) Video (b) Lessons (c) Quiz (d) Edit photo
20. 20.🌗 Is white on dark green easy or hard to read on a button? (a) hard to read (b) easy to read
21. 21.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
22. 22.🔢 In a quiz-app flow, which comes FIRST? (a) see if it is right (b) read a question (c) see the final score (d) tap “Start quiz”
23. 23.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
24. 24.Which of these fits saving in the cloud? (a) your last game level (b) the sound on/off setting (c) a draft you are typing (d) chat messages to friends
25. 25.True or false: how many taps it takes is about UI (the look). (a) True (b) False
26. 26.🎨 Who should you test the UX with? (a) only yourself (b) nobody (c) real users (d) the app icon
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Confirm → Item → Offers → Size
    Design B: Home → Confirm → Offers → Shop → Cart
28. 28.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Save button ]
    [ top bar ]
    [ Add button ]
    [ tab bar ]
    [ menu icon ]
29. 29.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
30. 30.Which colour pair is hard to read? (a) yellow on white (b) white on black (c) black on yellow (d) white on dark green
31. 31.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
32. 32.💾 What number does this code show?
    let points = 5;
    points = points - 4;
    points = points + 4;
    show(points);
33. 33.Which colour pair is easy to read? (a) pale pink on white (b) light grey on white (c) white on dark green (d) red on green
34. 34.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
35. 35.💾 What number does this code show?
    let notes = ["Music", "Art", "Sports", "Maths"];
    notes.push("Hindi");
    show(notes.length);
36. 36.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) a charging cable (d) the path through screens
37. 37.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ Save button ]
    [ tab bar ]
    [ title text ] (a) Save button (b) tab bar (c) top bar (d) title text
38. 38.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) write a caption (b) post the photo
39. 39.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Stars", "Rain", "Kites"];
    show(songs[0]); (a) Kites (b) Rain (c) Sunrise (d) Stars
40. 40.🔢 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

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