App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 607 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. tap the Feed tab
   3. open “Edit photo”
   4. open “Match report”
   5. tap Back
   How many times must you tap Back to reach the main screen of this tab?
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) colour as the only clue
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Home tab
   3. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
7. 7.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
8. 8.True or false: the font size is about UX (the experience). (a) True (b) False
9. 9.🔢 In a food-order flow, which comes FIRST? (a) track the order (b) add it to the cart (c) open the menu (d) pay for the order
10. 10.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) make a password (c) type name and email (d) enter the code sent
11. 11.True or false: the theme colours is about UI (the look). (a) True (b) False
12. 12.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Shop → Address → Cart → Pay → Confirm
    Design B: Home → Pens → Address → Confirm
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
14. 14.True or false: space between buttons is good button design. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
16. 16.💾 What number does this code show?
    let friends = ["Kabir", "Zoya", "Riya", "Arjun"];
    friends.push("Meera");
    friends.push("Aman");
    show(friends.length);
17. 17.Which of these is true of a final design? (a) has the real colours (b) is a quick sketch (c) has no real colours (d) uses plain grey boxes
18. 18.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
19. 19.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) more colours (c) a bigger app (d) better UX
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now? (a) Edit photo (b) Feed (c) Match report (d) Friend list
21. 21.💾 What does this code show? (Positions start at 0.)
    let notes = ["Sports", "Music", "Hindi", "Science", "Maths"];
    show(notes[0]); (a) Sports (b) Hindi (c) Music (d) Science
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Size → Search → Cart → Pens → Shop → Item
    Design B: Home → Confirm → Pens → Address → Pay
23. 23.True or false: grey text on grey is poor button design. (a) False (b) True
24. 24.Which of these fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) a class leaderboard (d) notes to read offline
25. 25.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
26. 26.Which of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) chat messages to friends (d) the sound on/off setting
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Search → Menu → Cart
    Design B: Home → Results → Offers → Address → Cart → Search → Confirm
28. 28.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
29. 29.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 32 px tall
    Cancel button: 40 px tall
    Save button: 60 px tall
    Back button: 44 px tall
30. 30.True or false: a clear word like Save is poor button design. (a) False (b) True
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Item → Search → Results → Offers
    Design B: Home → Cart → Pens → Confirm → Pay
32. 32.🔘 Our rule: buttons are at least 48 px tall. The Help button is 36 px tall. How many px taller must it be?
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Score card”
    Which screen are you on now? (a) Score card (b) Settings (c) Feed (d) Chat
34. 34.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
35. 35.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Pens → Confirm → Menu → Cart
    Design B: Home → Offers → Cart (a) Design A (b) Design B
36. 36.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ tab bar ]
    [ top bar ]
    [ search box ]
    [ title text ] (a) top bar (b) search box (c) tab bar
37. 37.💾 What number does this code show?
    let friends = ["Riya", "Zoya", "Kabir"];
    friends.push("Meera");
    friends.push("Aman");
    show(friends.length);
38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
39. 39.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ Save button ]
    [ title text ]
    [ Add button ]
    [ top bar ]
    [ big picture ] (a) Add button (b) big picture (c) Save button (d) title text
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Help button is 20 px tall. How many px taller must it be?

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