App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 826 · 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.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
2. 2.💾 What does this code show? (Positions start at 0.)
   let songs = ["Sunrise", "Kites", "Ocean"];
   show(songs[2]); (a) Sunrise (b) Kites (c) Ocean
3. 3.💾 In most code, the first item of a list is at position ___. (a) 1 (b) 2 (c) 0 (d) 10
4. 4.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) in the cloud (b) on the phone
5. 5.🎨 UX stands for user ___. (a) experience (b) extra (c) example (d) express
6. 6.True or false: how easy sign-up is is about UI (the look). (a) True (b) False
7. 7.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Pens → Search
   Design B: Home → Pens → Pay → Shop
8. 8.Which of these fits saving in the cloud? (a) your last game level (b) photos on two devices (c) notes to read offline (d) the sound on/off setting
9. 9.True or false: how many taps it takes is about UI (the look). (a) True (b) False
10. 10.True or false: notes to read offline fits saving in the cloud. (a) True (b) False
11. 11.🔢 In a photo-post flow, what comes right after “write a caption”? (a) take the photo (b) open the camera screen (c) post the photo (d) add a filter
12. 12.Which of these is true of a wireframe? (a) looks like the real app (b) shows the real fonts (c) has the real colours (d) shows where things go
13. 13.True or false: a wireframe has no real colours. (a) True (b) False
14. 14.🔢 In a photo-post flow, which comes first: “add a filter” or “post the photo”? (a) add a filter (b) post the photo
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Size → Results → Shop
    Design B: Home → Address → Shop → Search
16. 16.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) sits at the bottom
17. 17.True or false: grey text on grey is poor button design. (a) True (b) False
18. 18.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
19. 19.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ tab bar ]
    [ big picture ]
    [ top bar ]
    [ search box ]
    [ menu icon ] (a) top bar (b) tab bar (c) search box (d) menu icon
20. 20.Which of these is true of a final design? (a) shows where things go (b) has the real colours (c) uses plain grey boxes (d) has no real colours
21. 21.🔀 What is a user flow? (a) the path through screens (b) a type of font (c) a colour theme (d) a charging cable
22. 22.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
23. 23.🔢 In a photo-post flow, which comes first: “write a caption” or “post the photo”? (a) write a caption (b) post the photo
24. 24.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
25. 25.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) to skip testing (d) so each step is clear
26. 26.True or false: a class leaderboard fits saving in the cloud. (a) True (b) False
27. 27.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Badges”
    4. tap Back
    5. tap Back
    Which screen are you on now? (a) Me (b) Badges (c) Lessons (d) Quiz
29. 29.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
30. 30.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) in the cloud (b) on the phone
31. 31.Which of these fits saving on the phone? (a) your last game level (b) photos on two devices (c) a class leaderboard (d) a shared to-do list
32. 32.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) hides extra links
33. 33.🔍 Which is the odd one out? (a) how fast a task is done (b) whether users get lost (c) how users feel after (d) the button colours
34. 34.✏️ What is a wireframe? (a) the finished app (b) a type of password (c) a charging cable (d) a simple screen sketch
35. 35.💾 What number does this code show?
    let notes = ["Maths", "Music"];
    notes.push("Art");
    notes.push("Hindi");
    show(notes.length);
36. 36.💾 What number does this code show?
    let coins = 9;
    coins = coins - 3;
    coins = coins + 1;
    show(coins);
37. 37.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) fast-flashing lights
39. 39.Which of these is about UX (the experience)? (a) the theme colours (b) how easy sign-up is (c) the button colours (d) the icon shapes
40. 40.True or false: space between buttons is poor button design. (a) True (b) False

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