App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 687 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Edit photo”
   3. tap Back
   Which screen are you on now? (a) Edit photo (b) Profile (c) Search (d) Home
2. 2.🔍 Which is the odd one out? (a) how many taps it takes (b) whether users get lost (c) the button colours (d) how fast a task is done
3. 3.🔢 In a food-order flow, what comes right after “check the cart”? (a) pay for the order (b) open the menu (c) track the order (d) add it to the cart
4. 4.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) fast-flashing lights (d) captions on videos
6. 6.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
7. 7.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
8. 8.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) goes to the last screen
9. 9.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Pens → Offers → Confirm → Address → Cart
    Design B: Home → Pay → Results → Shop → Offers → Confirm (a) Design A (b) Design B
11. 11.💾 What does this code show? (Positions start at 0.)
    let notes = ["Sports", "Art", "Science"];
    show(notes[1]); (a) Science (b) Art (c) Sports
12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) sits at the bottom (d) switches main sections
13. 13.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
14. 14.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) sits at the bottom
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Pay → Pens
    Design B: Home → Shop → Confirm
16. 16.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
17. 17.🔍 Which is the odd one out? (a) the theme colours (b) the button colours (c) how users feel after (d) the font size
18. 18.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) track the order (c) check the cart (d) pay for the order
19. 19.True or false: strong colour contrast is poor button design. (a) False (b) True
20. 20.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
22. 22.Which of these is true of a wireframe? (a) uses plain grey boxes (b) uses the final pictures (c) shows the real fonts (d) has the real colours
23. 23.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Pens
    Design B: Home → Confirm → Pens → Cart → Offers (a) Design A (b) Design B
24. 24.💾 pop() takes off the last item. What does this code show?
    let notes = ["Science", "Art", "Maths"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Art (c) Science
25. 25.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
26. 26.True or false: your last game level fits saving on the phone. (a) False (b) True
27. 27.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 44 px tall
    Start button: 48 px tall
    Back button: 48 px tall (a) Back (b) Start (c) Help
28. 28.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
29. 29.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
30. 30.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) skip the internet (c) shrink the app (d) never need a password
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
33. 33.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
34. 34.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) more colours (c) better UX (d) worse UX
35. 35.🔢 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
36. 36.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch
37. 37.💾 What number does this code show?
    let stars = 6;
    stars = stars - 1;
    stars = stars + 2;
    show(stars);
38. 38.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
39. 39.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
40. 40.🔢 In a quiz-app flow, which comes first: “see if it is right” or “tap “Start quiz””? (a) see if it is right (b) tap “Start quiz”

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