App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 889 · 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 colour pair is easy to read? (a) red on green (b) white on black (c) light grey on white (d) dark blue on black
2. 2.🖼️ In this wireframe (top to bottom), what is right above the Save button?
   [ title text ]
   [ Save button ]
   [ search box ]
   [ big picture ]
   [ tab bar ]
   [ menu icon ] (a) menu icon (b) title text (c) big picture (d) search box
3. 3.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Confirm → Address → Shop → Offers
   Design B: Home → Item → Confirm → Search
4. 4.🔢 In a sign-up flow, what comes right after “make a password”? (a) type name and email (b) tap “Sign up” (c) enter the code sent (d) see the home screen
5. 5.Which of these fits saving in the cloud? (a) a shared to-do list (b) notes to read offline (c) the sound on/off setting (d) your last game level
6. 6.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) post the photo (b) write a caption
7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) switches main sections
8. 8.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) sits at the bottom (d) hides extra links
9. 9.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
10. 10.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read
11. 11.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) text that can grow
12. 12.🔍 Which is the odd one out? (a) the theme colours (b) the button colours (c) the font size (d) how fast a task is done
13. 13.🔘 Is this good or poor button design: space between buttons? (a) good design (b) poor design
14. 14.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 36 px tall
    Save button: 64 px tall
    Help button: 40 px tall
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Confirm → Address
    Design B: Home → Shop → Address → Pay → Pens → Search → Results
16. 16.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ menu icon ]
    [ big picture ]
    [ filter buttons ]
    [ Add button ] (a) Add button (b) menu icon (c) big picture
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    4. tap the Search tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Hint: 14 px
    Title: 20 px
    Footer: 21 px (a) Title (b) Hint (c) Footer (d) Body text
19. 19.🌗 Is dark blue on black easy or hard to read on a button? (a) easy to read (b) hard to read
20. 20.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ Save button ]
    [ top bar ]
    [ filter buttons ]
    [ search box ]
    [ Add button ]
21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
22. 22.True or false: how fast a task is done is about UX (the experience). (a) False (b) True
23. 23.💾 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
24. 24.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
25. 25.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) captions on videos (d) sudden loud sounds
26. 26.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Confirm → Pens → Search → Offers
    Design B: Home → Search → Item → Cart → Results → Size
27. 27.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) no UI at all (d) perfect UX
28. 28.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
29. 29.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
30. 30.🔢 In a food-order flow, which comes FIRST? (a) pick a dish (b) check the cart (c) open the menu (d) add it to the cart
31. 31.🔘 Our rule: buttons are at least 48 px tall. The Start button is 20 px tall. How many px taller must it be?
32. 32.True or false: chat messages to friends fits saving on the phone. (a) True (b) False
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Pay → Size → Shop
    Design B: Home → Shop → Menu → Pay → Item → Confirm → Search
34. 34.True or false: a wireframe uses the final pictures. (a) False (b) True
35. 35.💾 What number does this code show?
    let songs = ["Stars", "Kites", "Sunrise"];
    songs.push("Rain");
    show(songs.length);
36. 36.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
37. 37.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Menu → Shop → Address → Confirm → Offers → Size
    Design B: Home → Size → Cart → Item → Menu → Pay
39. 39.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Pens → Results
    Design B: Home → Results → Pens → Address → Search → Pay (a) Design A (b) Design B

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