App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 659 · 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: “add a filter” or “post the photo”? (a) add a filter (b) post the photo
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Score card”
   3. tap Back
   4. tap the Home tab
   5. tap the Profile tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🔍 Which is the odd one out? (a) how users feel after (b) the screen layout (c) the button colours (d) the theme colours
4. 4.True or false: photos on two devices fits saving on the phone. (a) True (b) False
5. 5.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
6. 6.🔢 In a sign-up flow, which comes first: “make a password” or “open the app”? (a) make a password (b) open the app
7. 7.True or false: icons with no meaning is poor button design. (a) False (b) True
8. 8.🖼️ In this wireframe (top to bottom), what is right below the title text?
   [ title text ]
   [ filter buttons ]
   [ Add button ]
   [ top bar ]
   [ tab bar ]
   [ Save button ] (a) top bar (b) tab bar (c) filter buttons (d) Add button
9. 9.💾 What does this code show? (Positions start at 0.)
   let notes = ["Hindi", "Science", "Maths", "Music"];
   show(notes[0]); (a) Music (b) Science (c) Maths (d) Hindi
10. 10.True or false: a wireframe has no real colours. (a) True (b) False
11. 11.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “see the final score”? (a) see the final score (b) tap “Start quiz”
12. 12.True or false: a wireframe uses the final pictures. (a) True (b) False
13. 13.True or false: a class leaderboard fits saving in the cloud. (a) False (b) True
14. 14.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Title: 11 px
    Menu: 10 px
    Hint: 10 px
16. 16.🔀 Why plan the user flow before building? (a) to skip testing (b) to hide the buttons (c) to add more taps (d) so each step is clear
17. 17.Which of these is about UX (the experience)? (a) the icon shapes (b) the button colours (c) the font size (d) how many taps it takes
18. 18.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) opens a list of pages
19. 19.🔘 Our rule: buttons are at least 48 px tall. The Send button is 24 px tall. How many px taller must it be?
20. 20.Which of these fits saving in the cloud? (a) a draft you are typing (b) a class leaderboard (c) notes to read offline (d) your last game level
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Help page”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
22. 22.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it saves data (c) it adds colours (d) changes are quick
23. 23.🔍 Which is the odd one out? (a) how many taps it takes (b) how fast a task is done (c) how easy sign-up is (d) the font size
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Label: 17 px
    Hint: 16 px
    Footer: 10 px
    Menu: 16 px (a) Title (b) Hint (c) Footer (d) Label
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
26. 26.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) pick an answer (c) see if it is right (d) tap “Start quiz”
27. 27.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ title text ]
    [ list of items ]
    [ menu icon ]
    [ top bar ]
    [ filter buttons ] (a) list of items (b) Add button (c) filter buttons (d) title text
28. 28.🎨 Is this about UI or UX: the theme colours? (a) UX (b) UI
29. 29.Which of these is true of a final design? (a) uses plain grey boxes (b) is a quick sketch (c) has the real colours (d) has no real colours
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) pick a dish (c) open the menu (d) track the order
32. 32.🔘 Our rule: buttons are at least 48 px tall. The Help button is 24 px tall. How many px taller must it be?
33. 33.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) perfect UX (c) good UI but poor UX (d) no UI at all
34. 34.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) never need a password (c) skip the internet (d) shrink the app
35. 35.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a final design (b) a wireframe
36. 36.🔍 Which is the odd one out? (a) the icon shapes (b) how fast a task is done (c) the font size (d) the screen layout
37. 37.True or false: the screen layout is about UX (the experience). (a) False (b) True
38. 38.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
39. 39.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ big picture ]
    [ tab bar ]
    [ top bar ]
    [ Save button ]
    [ search box ]
    [ list of items ] (a) list of items (b) tab bar (c) search box (d) big picture
40. 40.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder

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