App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 523 · 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.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
2. 2.True or false: a wireframe looks like the real app. (a) False (b) True
3. 3.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
4. 4.Which of these is about UX (the experience)? (a) the screen layout (b) the font size (c) the icon shapes (d) how users feel after
5. 5.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
6. 6.💾 What does this code show? (Positions start at 0.)
   let notes = ["Maths", "Music", "Science", "Sports"];
   show(notes[3]); (a) Sports (b) Maths (c) Science (d) Music
7. 7.True or false: a class leaderboard fits saving in the cloud. (a) True (b) False
8. 8.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Address → Offers → Pens → Cart → Item
   Design B: Home → Item → Cart → Menu → Results → Shop → Pens
9. 9.💾 What number does this code show?
   let lives = 9;
   lives = lives - 2;
   lives = lives + 3;
   show(lives);
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Title: 19 px
    Body text: 13 px
    Hint: 26 px
    Caption: 25 px (a) Hint (b) Title (c) Body text (d) Label
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 23 px
    Title: 28 px
    Body text: 11 px (a) Menu (b) Body text (c) Hint (d) Title
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Item → Pay → Search → Menu
    Design B: Home → Item → Search → Shop
15. 15.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.Which of these is true of a wireframe? (a) uses the final pictures (b) looks like the real app (c) has the real colours (d) shows where things go
18. 18.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) open the app (c) type name and email (d) enter the code sent
19. 19.🔢 In a food-order flow, which comes first: “pick a dish” or “add it to the cart”? (a) pick a dish (b) add it to the cart
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Home (c) Badges (d) Match report
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Search → Pens
    Design B: Home → Offers → Pay → Cart → Results
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Results → Cart → Shop
    Design B: Home → Shop → Offers → Results → Item → Pay
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Shop → Confirm → Menu → Item → Cart
    Design B: Home → Shop → Results → Address → Search → Item → Menu
24. 24.Which colour pair is easy to read? (a) pale pink on white (b) black on pale grey (c) red on green (d) yellow on white
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
26. 26.Which of these fits saving on the phone? (a) chat messages to friends (b) a draft you are typing (c) photos on two devices (d) a shared to-do list
27. 27.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ big picture ]
    [ top bar ]
    [ Save button ]
    [ filter buttons ]
    [ list of items ]
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.Which of these is true of a final design? (a) uses the final pictures (b) uses plain grey boxes (c) is a quick sketch (d) has no real colours
30. 30.True or false: the icon shapes is about UI (the look). (a) False (b) True
31. 31.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) undoes one move
32. 32.🔢 In a sign-up flow, what comes right after “type name and email”? (a) open the app (b) enter the code sent (c) make a password (d) tap “Sign up”
33. 33.🔢 In a photo-post flow, which comes first: “post the photo” or “open the camera screen”? (a) post the photo (b) open the camera screen
34. 34.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
35. 35.True or false: the theme colours is about UX (the experience). (a) True (b) False
36. 36.True or false: strong colour contrast is poor button design. (a) False (b) True
37. 37.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud leaderboard (c) a cloud backup (d) a shared chat
38. 38.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
39. 39.Which colour pair is easy to read? (a) pale pink on white (b) dark blue on black (c) light grey on white (d) black on yellow
40. 40.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) strong colour contrast

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