App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 985 · 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.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
2. 2.True or false: a final design uses plain grey boxes. (a) True (b) False
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Menu → Offers → Item
   Design B: Home → Address → Menu
4. 4.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Save button: 68 px tall
   Send button: 44 px tall
   Done button: 48 px tall
   Help button: 68 px tall (a) Save (b) Done (c) Help (d) Send
5. 5.💾 pop() takes off the last item. What does this code show?
   let songs = ["Sunrise", "Ocean", "Rain", "Stars"];
   songs.pop();
   show(songs[songs.length - 1]); (a) Sunrise (b) Ocean (c) Stars (d) Rain
6. 6.True or false: icons with no meaning is poor button design. (a) True (b) False
7. 7.💾 pop() takes off the last item. What does this code show?
   let friends = ["Meera", "Arjun", "Zoya", "Kabir"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Zoya (b) Arjun (c) Meera (d) Kabir
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. tap Back
   3. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
9. 9.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) pencil and paper (d) a microphone
10. 10.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
11. 11.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Search → Item → Cart → Pens → Menu
    Design B: Home → Pens → Item → Cart → Confirm → Shop → Offers
13. 13.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
14. 14.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.Which colour pair is easy to read? (a) red on green (b) yellow on white (c) pale pink on white (d) black on yellow
17. 17.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
18. 18.True or false: buttons almost touching is poor button design. (a) True (b) False
19. 19.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
20. 20.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) a shared to-do list (d) photos on two devices
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Cart → Address → Offers → Menu → Item
    Design B: Home → Pay → Search → Size
22. 22.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
23. 23.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a type of font (d) a charging cable
24. 24.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Pens
    Design B: Home → Address → Cart → Offers → Search → Pay
26. 26.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ search box ]
    [ top bar ]
    [ title text ]
    [ list of items ]
    [ Add button ] (a) title text (b) search box (c) top bar (d) Add button
27. 27.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) perfect UX (d) no UI at all
28. 28.Which of these is about UI (the look)? (a) whether users get lost (b) the icon shapes (c) how fast a task is done (d) how many taps it takes
29. 29.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ Save button ]
    [ filter buttons ]
    [ list of items ]
    [ big picture ] (a) big picture (b) Save button (c) filter buttons
30. 30.🎨 Who should you test the UX with? (a) nobody (b) the app icon (c) only yourself (d) real users
31. 31.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
32. 32.💾 pop() takes off the last item. What does this code show?
    let friends = ["Kabir", "Riya", "Aman", "Zoya", "Arjun"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Kabir (b) Aman (c) Zoya (d) Riya
33. 33.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ Save button ]
    [ tab bar ]
    [ search box ]
    [ menu icon ]
    [ filter buttons ]
    [ Add button ] (a) tab bar (b) Save button (c) Add button (d) filter buttons
34. 34.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) tap “Sign up” (c) type name and email (d) make a password
35. 35.Which of these is true of a final design? (a) has no real colours (b) is a quick sketch (c) shows where things go (d) looks like the real app
36. 36.🔀 A screen with no way forward or back is called a ___. (a) home screen (b) shortcut (c) dead end (d) tab bar
37. 37.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Science", "Music", "Maths", "Sports"];
    show(notes[2]); (a) Maths (b) Music (c) Hindi (d) Science
38. 38.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
39. 39.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Menu: 13 px
    Title: 13 px

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