App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 396 · 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.Which of these is true of a wireframe? (a) uses the final pictures (b) has the real colours (c) shows the real fonts (d) is a quick sketch
2. 2.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
3. 3.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Item → Address → Search → Offers
   Design B: Home → Shop → Search → Item (a) Design B (b) Design A
5. 5.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
6. 6.🎨 UI stands for user ___. (a) input (b) interface (c) internet (d) idea
7. 7.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) add it to the cart (b) pick a dish
8. 8.True or false: chat messages to friends fits saving in the cloud. (a) True (b) False
9. 9.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
10. 10.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) perfect UX (c) good UX but poor UI (d) no UI at all
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now? (a) Lessons (b) Score card (c) Quiz (d) Badges
12. 12.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
13. 13.✏️ What is a wireframe? (a) a type of password (b) the finished app (c) a simple screen sketch (d) a charging cable
14. 14.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) open the menu (c) pick a dish (d) add it to the cart
15. 15.🔀 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
16. 16.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) the same screen (c) a clear next step (d) a dead end
17. 17.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ menu icon ]
    [ tab bar ]
    [ title text ]
18. 18.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) tap “Start quiz” (c) read a question (d) see if it is right
19. 19.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud backup (c) a cloud leaderboard (d) a shared chat
20. 20.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 36 px tall
    Done button: 56 px tall
    Back button: 68 px tall
    Cancel button: 48 px tall (a) Back (b) Save (c) Done (d) Cancel
21. 21.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ big picture ]
    [ search box ]
    [ Save button ]
    [ tab bar ]
    [ top bar ] (a) search box (b) Add button (c) big picture (d) top bar
22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
23. 23.💾 What is a variable? (a) a type of screen (b) a picture (c) a phone setting (d) a named box for a value
24. 24.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.🔢 In a photo-post flow, which comes first: “post the photo” or “take the photo”? (a) post the photo (b) take the photo
26. 26.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
27. 27.💾 What number does this code show?
    let notes = ["Art", "Music", "Hindi", "Maths"];
    notes.push("Science");
    show(notes.length);
28. 28.🔍 Which is the odd one out? (a) the screen layout (b) how many taps it takes (c) the theme colours (d) the icon shapes
29. 29.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Search → Menu → Pay → Address
    Design B: Home → Confirm → Address → Cart → Offers (a) Design A (b) Design B
30. 30.Which of these is true of a final design? (a) uses plain grey boxes (b) has no real colours (c) looks like the real app (d) shows where things go
31. 31.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ big picture ]
    [ title text ]
    [ Add button ]
    [ Save button ]
    [ menu icon ] (a) big picture (b) Add button (c) Save button (d) menu icon
32. 32.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 48 px tall
    Save button: 56 px tall
    Help button: 24 px tall
    Cancel button: 72 px tall (a) Done (b) Save (c) Cancel (d) Help
33. 33.🎨 UX stands for user ___. (a) experience (b) example (c) express (d) extra
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Menu: 21 px
    Caption: 21 px
35. 35.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ list of items ]
    [ search box ]
    [ filter buttons ]
    [ title text ] (a) filter buttons (b) title text (c) search box
36. 36.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ title text ]
    [ Save button ]
    [ big picture ]
    [ list of items ] (a) Save button (b) list of items (c) title text
37. 37.True or false: a big, easy tap area is good button design. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Menu: 12 px
    Body text: 20 px
    Footer: 20 px
    Hint: 17 px
39. 39.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on black (c) white on black (d) black on yellow
40. 40.🔢 In a quiz-app flow, which comes first: “pick an answer” or “tap “Start quiz””? (a) pick an answer (b) tap “Start quiz”

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