App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 904 · 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 part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
2. 2.🔢 In a food-order flow, which comes first: “open the menu” or “add it to the cart”? (a) open the menu (b) add it to the cart
3. 3.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) sits at the bottom
4. 4.True or false: the theme colours is about UX (the experience). (a) True (b) False
5. 5.True or false: your last game level fits saving in the cloud. (a) False (b) True
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Label: 12 px
   Menu: 24 px
   Caption: 27 px (a) Body text (b) Caption (c) Label (d) Menu
7. 7.🔍 Which is the odd one out? (a) how easy sign-up is (b) the screen layout (c) the icon shapes (d) the theme colours
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
9. 9.True or false: how fast a task is done is about UI (the look). (a) True (b) False
10. 10.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) check the cart (c) add it to the cart (d) open the menu
11. 11.True or false: a final design uses the final pictures. (a) True (b) False
12. 12.Which of these fits saving on the phone? (a) a shared to-do list (b) photos on two devices (c) your last game level (d) a class leaderboard
13. 13.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now? (a) Score card (b) Quiz (c) Lessons (d) Map
15. 15.💾 What number does this code show?
    let stars = 5;
    stars = stars - 5;
    stars = stars + 1;
    show(stars);
16. 16.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
17. 17.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Art", "Music", "Hindi"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Music (b) Art (c) Hindi (d) Sports
18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
19. 19.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
20. 20.🎨 UI stands for user ___. (a) internet (b) input (c) idea (d) interface
21. 21.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
22. 22.Which of these is true of a wireframe? (a) looks like the real app (b) uses the final pictures (c) uses plain grey boxes (d) has the real colours
23. 23.True or false: a wireframe shows the real fonts. (a) True (b) False
24. 24.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ search box ]
    [ title text ]
    [ top bar ]
    [ Add button ] (a) search box (b) Add button (c) title text
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Video”
    Which screen are you on now? (a) Feed (b) Help page (c) Video (d) Edit photo
26. 26.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now? (a) Map (b) Match report (c) Feed (d) Chat
28. 28.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) a charging cable (d) the path through screens
29. 29.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
30. 30.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
31. 31.True or false: a wireframe uses plain grey boxes. (a) False (b) True
32. 32.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ tab bar ]
    [ big picture ]
    [ Add button ]
    [ top bar ]
    [ list of items ] (a) big picture (b) tab bar (c) list of items (d) top bar
33. 33.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
34. 34.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
35. 35.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
36. 36.Which colour pair is easy to read? (a) black on yellow (b) dark blue on black (c) yellow on white (d) pale pink on white
37. 37.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
    [ list of items ]
    [ menu icon ]
    [ tab bar ]
    [ big picture ]
    [ search box ] (a) big picture (b) tab bar (c) search box (d) list of items
38. 38.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) chat messages to friends (d) your last game level
39. 39.True or false: how easy sign-up is is about UX (the experience). (a) True (b) False
40. 40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 48 px tall
    Next button: 52 px tall
    Save button: 72 px tall
    Cancel button: 36 px tall (a) Next (b) Cancel (c) Back (d) Save

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