App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 60 · 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.💾 pop() takes off the last item. What does this code show?
   let notes = ["Maths", "Science", "Music", "Hindi", "Art"];
   notes.pop();
   show(notes[notes.length - 1]); (a) Maths (b) Science (c) Music (d) Hindi
2. 2.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
3. 3.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
4. 4.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 16 px
   Menu: 21 px
   Footer: 28 px
   Hint: 12 px (a) Footer (b) Menu (c) Hint (d) Body text
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Label: 17 px
   Menu: 11 px
   Hint: 16 px
   Footer: 19 px (a) Title (b) Menu (c) Label (d) Hint
7. 7.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
8. 8.Which of these fits saving in the cloud? (a) the sound on/off setting (b) photos on two devices (c) notes to read offline (d) your last game level
9. 9.🎨 UX stands for user ___. (a) example (b) express (c) extra (d) experience
10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
11. 11.🔀 In a good flow, each screen should lead to ___. (a) the same screen (b) a random page (c) a clear next step (d) a dead end
12. 12.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
13. 13.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ title text ]
    [ menu icon ]
    [ Add button ] (a) title text (b) Add button (c) top bar (d) menu icon
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) text that can grow (d) tiny tap areas
15. 15.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    5. tap the Feed tab
    Which screen are you on now? (a) Friend list (b) Feed (c) Badges (d) Map
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    Which screen are you on now? (a) Match report (b) Search (c) Home (d) Badges
18. 18.True or false: a big, easy tap area is good button design. (a) True (b) False
19. 19.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ big picture ]
    [ tab bar ]
    [ title text ]
    [ menu icon ] (a) tab bar (b) title text (c) menu icon
20. 20.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ search box ]
    [ menu icon ]
    [ big picture ]
    [ Save button ]
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Item
    Design B: Home → Size → Pens → Item (a) Design A (b) Design B
22. 22.💾 What number does this code show?
    let coins = 7;
    coins = coins - 7;
    coins = coins + 1;
    show(coins);
23. 23.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
24. 24.🔢 In a food-order flow, what comes right after “pay for the order”? (a) open the menu (b) add it to the cart (c) track the order (d) check the cart
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🔢 In a food-order flow, which comes first: “check the cart” or “track the order”? (a) check the cart (b) track the order
27. 27.🔀 A screen with no way forward or back is called a ___. (a) shortcut (b) home screen (c) tab bar (d) dead end
28. 28.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) type name and email (b) make a password
29. 29.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) write a caption (b) post the photo
30. 30.Which of these is true of a wireframe? (a) uses the final pictures (b) shows the real fonts (c) shows where things go (d) has the real colours
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Footer: 28 px
    Label: 21 px (a) Title (b) Footer (c) Label
32. 32.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ menu icon ]
    [ Add button ]
    [ title text ]
    [ big picture ]
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now? (a) Feed (b) Video (c) Map (d) Score card
34. 34.🎨 Who should you test the UX with? (a) only yourself (b) real users (c) nobody (d) the app icon
35. 35.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see if it is right (c) see the final score (d) read a question
36. 36.True or false: a wireframe looks like the real app. (a) True (b) False
37. 37.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) enter the code sent (c) see the home screen (d) tap “Sign up”
38. 38.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
39. 39.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
40. 40.True or false: how many taps it takes is about UI (the look). (a) False (b) True

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