App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 63 · 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.💾 What number does this code show?
   let points = 4;
   points = points - 3;
   points = points + 3;
   show(points);
2. 2.🖼️ How many parts (boxes) does this wireframe have?
   [ Add button ]
   [ list of items ]
   [ big picture ]
   [ title text ]
   [ top bar ]
   [ filter buttons ]
3. 3.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pens → Size → Results
   Design B: Home → Pay → Offers → Item → Results → Search (a) Design B (b) Design A
4. 4.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Address → Shop → Pens
   Design B: Home → Address → Pens → Confirm → Offers
5. 5.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Cart → Pens → Offers → Shop → Confirm → Address
   Design B: Home → Shop → Search → Confirm → Item → Menu
7. 7.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) your last game level (d) photos on two devices
8. 8.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
9. 9.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) in the cloud (b) on the phone
10. 10.💾 What number does this code show?
    let friends = ["Aman", "Zoya"];
    friends.push("Arjun");
    friends.push("Kabir");
    show(friends.length);
11. 11.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) pick a dish (d) pay for the order
12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now? (a) Match report (b) Chat (c) Feed (d) Edit photo
13. 13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pens → Item → Search → Results → Pay
    Design B: Home → Cart → Address → Pens → Search (a) Design A (b) Design B
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Hint: 11 px
    Body text: 24 px (a) Body text (b) Hint (c) Menu
15. 15.🔀 What is a user flow? (a) a type of font (b) the path through screens (c) a colour theme (d) a charging cable
16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
17. 17.🔍 Which is the odd one out? (a) the font size (b) the button colours (c) how easy sign-up is (d) the theme colours
18. 18.True or false: grey text on grey is poor button design. (a) False (b) True
19. 19.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 68 px tall
    Help button: 64 px tall
    Done button: 24 px tall (a) Help (b) Done (c) Send
21. 21.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ tab bar ]
    [ search box ]
    [ list of items ]
    [ filter buttons ]
    [ menu icon ] (a) tab bar (b) filter buttons (c) menu icon (d) list of items
22. 22.🔢 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
23. 23.🔘 Our rule: buttons are at least 48 px tall. The Next button is 20 px tall. How many px taller must it be?
24. 24.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
25. 25.True or false: the icon shapes is about UI (the look). (a) True (b) False
26. 26.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) open the app (b) make a password (c) see the home screen (d) tap “Sign up”
27. 27.🔢 In a quiz-app flow, which comes LAST? (a) read a question (b) see if it is right (c) pick an answer (d) see the final score
28. 28.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
29. 29.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) the font size (d) how many taps it takes
31. 31.True or false: how users feel after is about UX (the experience). (a) False (b) True
32. 32.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Menu: 10 px
    Body text: 20 px
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Pens → Address → Item → Menu
    Design B: Home → Size → Menu → Cart
35. 35.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) post the photo (c) take the photo (d) open the camera screen
36. 36.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ Save button ]
    [ big picture ]
    [ Add button ]
    [ top bar ]
    [ search box ] (a) top bar (b) Add button (c) big picture (d) search box
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
39. 39.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 56 px tall
    Back button: 48 px tall
    Help button: 32 px tall
40. 40.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) fast-flashing lights

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