App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 351 · 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.True or false: a final design uses the final pictures. (a) False (b) True
2. 2.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.🔢 In a food-order flow, which comes first: “track the order” or “pay for the order”? (a) pay for the order (b) track the order
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Pay → Search → Item
   Design B: Home → Pay → Menu → Item → Confirm → Pens → Address (a) Design A (b) Design B
5. 5.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) skip the internet (c) never need a password (d) use it on any device
6. 6.🔢 In a photo-post flow, which comes FIRST? (a) take the photo (b) write a caption (c) post the photo (d) open the camera screen
7. 7.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to skip testing (c) so each step is clear (d) to add more taps
8. 8.💾 In most code, the first item of a list is at position ___. (a) 10 (b) 0 (c) 2 (d) 1
9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Done button: 60 px tall
   Save button: 56 px tall
   Send button: 32 px tall (a) Done (b) Save (c) Send
10. 10.True or false: photos on two devices fits saving on the phone. (a) False (b) True
11. 11.Which of these is about UI (the look)? (a) how many taps it takes (b) how easy sign-up is (c) how users feel after (d) the screen layout
12. 12.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) pencil and paper (c) a 3D printer (d) a phone case
13. 13.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ big picture ]
    [ menu icon ]
    [ Save button ]
    [ search box ]
    [ tab bar ]
    [ title text ] (a) menu icon (b) search box (c) tab bar (d) Save button
14. 14.💾 What number does this code show?
    let friends = ["Zoya", "Meera"];
    friends.push("Aman");
    show(friends.length);
15. 15.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ tab bar ]
    [ Save button ]
    [ big picture ]
    [ top bar ] (a) title text (b) big picture (c) top bar (d) Save button
16. 16.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) write a caption (c) add a filter (d) open the camera screen
17. 17.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ big picture ]
    [ list of items ]
    [ Save button ]
    [ Add button ] (a) Save button (b) big picture (c) Add button
18. 18.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
19. 19.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) make a password (b) type name and email
20. 20.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see if it is right (b) see the final score (c) pick an answer (d) tap “Start quiz”
22. 22.🔍 Which is the odd one out? (a) whether users get lost (b) the screen layout (c) how many taps it takes (d) how users feel after
23. 23.True or false: strong colour contrast is good button design. (a) False (b) True
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Confirm → Menu
    Design B: Home → Pens → Confirm → Pay → Address → Shop → Cart
25. 25.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) icons with no labels (d) colour as the only clue
26. 26.True or false: how fast a task is done is about UX (the experience). (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Hint: 23 px
    Body text: 18 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Label: 16 px
    Body text: 16 px (a) Label (b) Body text (c) Footer
29. 29.🔍 Which is the odd one out? (a) how easy sign-up is (b) the icon shapes (c) how many taps it takes (d) how users feel after
30. 30.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) open the menu (b) check the cart
31. 31.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
32. 32.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ search box ]
    [ menu icon ]
    [ top bar ]
    [ tab bar ]
33. 33.True or false: the screen layout is about UX (the experience). (a) True (b) False
34. 34.True or false: a big, easy tap area is poor button design. (a) True (b) False
35. 35.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 44 px tall
    Next button: 72 px tall
    Help button: 56 px tall
    Back button: 56 px tall (a) Help (b) Next (c) Back (d) Send
36. 36.Which of these is true of a wireframe? (a) uses plain grey boxes (b) looks like the real app (c) has the real colours (d) uses the final pictures
37. 37.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
38. 38.Which of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) photos on two devices (d) the sound on/off setting
39. 39.Which of these is about UX (the experience)? (a) the button colours (b) the screen layout (c) how easy sign-up is (d) the icon shapes
40. 40.🔢 In a sign-up flow, what comes right after “make a password”? (a) enter the code sent (b) see the home screen (c) tap “Sign up” (d) open the app

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