App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 713 · 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 makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) strong colour contrast (d) captions on videos
2. 2.Which of these is true of a wireframe? (a) shows the real fonts (b) looks like the real app (c) has the real colours (d) has no real colours
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 16 px
   Menu: 18 px
   Caption: 11 px
   Footer: 20 px (a) Caption (b) Menu (c) Footer (d) Title
4. 4.Which of these is about UI (the look)? (a) how users feel after (b) the button colours (c) how many taps it takes (d) whether users get lost
5. 5.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
6. 6.True or false: how many taps it takes is about UX (the experience). (a) True (b) False
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. open “Badges”
   3. open “Match report”
   4. open “Friend list”
   Which screen are you on now? (a) Badges (b) Match report (c) Friend list (d) Help page
8. 8.True or false: the icon shapes is about UI (the look). (a) True (b) False
9. 9.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
10. 10.True or false: a final design has the real colours. (a) False (b) True
11. 11.💾 What number does this code show?
    let songs = ["Rain", "Ocean", "Sunrise"];
    songs.push("Monsoon");
    show(songs.length);
12. 12.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
13. 13.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) tap “Start quiz” (c) pick an answer (d) see if it is right
14. 14.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
15. 15.True or false: notes to read offline fits saving on the phone. (a) True (b) False
16. 16.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
17. 17.🔍 Which is the odd one out? (a) the font size (b) the icon shapes (c) whether users get lost (d) the screen layout
18. 18.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) undoes one move
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now? (a) Help page (b) Badges (c) Lessons (d) Quiz
20. 20.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ Save button ]
    [ list of items ]
    [ top bar ]
    [ title text ] (a) title text (b) list of items (c) Save button
21. 21.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
22. 22.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
23. 23.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ top bar ]
    [ tab bar ]
    [ big picture ]
    [ filter buttons ] (a) big picture (b) filter buttons (c) Save button (d) top bar
24. 24.🔢 In a photo-post flow, which comes LAST? (a) write a caption (b) take the photo (c) open the camera screen (d) post the photo
25. 25.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
26. 26.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
27. 27.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ tab bar ]
    [ top bar ]
    [ menu icon ]
    [ list of items ]
    [ big picture ]
    [ title text ] (a) tab bar (b) title text (c) top bar (d) menu icon
28. 28.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ big picture ]
    [ filter buttons ]
    [ Add button ]
29. 29.🔍 Which is the odd one out? (a) whether users get lost (b) the button colours (c) how fast a task is done (d) how easy sign-up is
30. 30.🔍 Which is the odd one out? (a) how many taps it takes (b) whether users get lost (c) how fast a task is done (d) the theme colours
31. 31.🎨 Fewer taps to finish a task usually means ___. (a) worse UX (b) more colours (c) better UX (d) a bigger app
32. 32.🔢 In a sign-up flow, what comes right after “open the app”? (a) tap “Sign up” (b) type name and email (c) enter the code sent (d) make a password
33. 33.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Body text: 27 px
    Menu: 13 px
    Label: 26 px (a) Body text (b) Label (c) Menu (d) Hint
35. 35.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) text that can grow (d) icons with no labels
36. 36.True or false: the sound on/off setting fits saving in the cloud. (a) True (b) False
37. 37.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Menu
    Design B: Home → Menu → Shop → Confirm → Pay → Cart (a) Design B (b) Design A
38. 38.🔢 In a food-order flow, which comes first: “pick a dish” or “open the menu”? (a) pick a dish (b) open the menu
39. 39.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) fast-flashing lights
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”

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