App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 164 · 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.🔢 In a photo-post flow, which comes FIRST? (a) open the camera screen (b) post the photo (c) write a caption (d) take the photo
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Caption: 24 px
   Body text: 13 px
3. 3.True or false: a wireframe has no real colours. (a) True (b) False
4. 4.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
5. 5.🔍 Which is the odd one out? (a) the button colours (b) whether users get lost (c) the icon shapes (d) the theme colours
6. 6.True or false: icons with no meaning is poor button design. (a) False (b) True
7. 7.Which of these is true of a wireframe? (a) uses the final pictures (b) has the real colours (c) looks like the real app (d) shows where things go
8. 8.💾 What number does this code show?
   let points = 4;
   points = points - 3;
   points = points + 5;
   show(points);
9. 9.Which colour pair is hard to read? (a) black on pale grey (b) black on yellow (c) dark blue on white (d) light grey on white
10. 10.💾 What does this code show? (Positions start at 0.)
    let songs = ["Kites", "Sunrise", "Rain", "Monsoon"];
    show(songs[1]); (a) Kites (b) Rain (c) Sunrise (d) Monsoon
11. 11.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
12. 12.Which of these is about UI (the look)? (a) how easy sign-up is (b) how users feel after (c) whether users get lost (d) the icon shapes
13. 13.💾 pop() takes off the last item. What does this code show?
    let notes = ["Hindi", "Science", "Art", "Sports", "Maths"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Science (b) Hindi (c) Sports (d) Art
14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
15. 15.🔍 Which is the odd one out? (a) how easy sign-up is (b) the theme colours (c) the screen layout (d) the icon shapes
16. 16.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
17. 17.🔀 Why plan the user flow before building? (a) to add more taps (b) to skip testing (c) to hide the buttons (d) so each step is clear
18. 18.🔍 Which is the odd one out? (a) how fast a task is done (b) the font size (c) how easy sign-up is (d) how many taps it takes
19. 19.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
20. 20.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
21. 21.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
22. 22.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 60 px tall
    Save button: 48 px tall
    Done button: 44 px tall (a) Done (b) Save (c) Start
23. 23.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Back button: 44 px tall
    Start button: 60 px tall
    Cancel button: 56 px tall
    Send button: 64 px tall (a) Start (b) Send (c) Cancel (d) Back
24. 24.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) uses the final pictures (d) is a quick sketch
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Quiz tab
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Lessons (c) Edit photo (d) Badges
26. 26.🎨 UX stands for user ___. (a) express (b) example (c) experience (d) extra
27. 27.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ title text ]
    [ menu icon ]
    [ top bar ]
    [ Add button ]
    [ search box ]
    [ filter buttons ] (a) title text (b) menu icon (c) search box (d) filter buttons
28. 28.Which of these is true of a final design? (a) has the real colours (b) shows where things go (c) has no real colours (d) is a quick sketch
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) sudden loud sounds (d) big touch targets
30. 30.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) type name and email (c) enter the code sent (d) see the home screen
31. 31.Which colour pair is hard to read? (a) white on black (b) red on green (c) black on yellow (d) dark blue on white
32. 32.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
33. 33.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 40 px tall
    Send button: 68 px tall
    Back button: 52 px tall (a) Cancel (b) Send (c) Back
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now? (a) Quiz (b) Lessons (c) Friend list (d) Edit photo
35. 35.Which of these fits saving on the phone? (a) notes to read offline (b) a shared to-do list (c) chat messages to friends (d) a class leaderboard
36. 36.🎨 Is this about UI or UX: the button colours? (a) UX (b) UI
37. 37.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) add a filter (b) open the camera screen
38. 38.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Save button: 60 px tall
    Start button: 36 px tall
    Back button: 40 px tall
    Help button: 64 px tall
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ big picture ]
    [ search box ]
    [ Add button ]
    [ title text ]
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Menu: 10 px
    Footer: 17 px (a) Caption (b) Menu (c) Footer

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