App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 677 · 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.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.💾 What does this code show? (Positions start at 0.)
   let friends = ["Meera", "Aman", "Arjun", "Riya"];
   show(friends[3]); (a) Arjun (b) Meera (c) Aman (d) Riya
3. 3.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
4. 4.Which of these is about UX (the experience)? (a) how users feel after (b) the button colours (c) the screen layout (d) the icon shapes
5. 5.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “see the home screen”? (a) tap “Sign up” (b) see the home screen
6. 6.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) icons with no labels
8. 8.True or false: notes to read offline fits saving on the phone. (a) True (b) False
9. 9.True or false: how users feel after is about UX (the experience). (a) False (b) True
10. 10.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Menu → Item → Pens
    Design B: Home → Pens → Confirm (a) Design A (b) Design B
11. 11.🔢 In a quiz-app flow, which comes FIRST? (a) pick an answer (b) see the final score (c) see if it is right (d) tap “Start quiz”
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ filter buttons ]
    [ Add button ]
    [ tab bar ]
13. 13.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) add a filter (c) post the photo (d) open the camera screen
14. 14.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
15. 15.Which of these is about UX (the experience)? (a) the screen layout (b) the font size (c) the button colours (d) how many taps it takes
16. 16.Which of these is about UX (the experience)? (a) the font size (b) the icon shapes (c) how fast a task is done (d) the theme colours
17. 17.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
19. 19.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Address → Cart → Pay → Size → Confirm
    Design B: Home → Item → Cart (a) Design B (b) Design A
20. 20.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Menu → Shop → Item
    Design B: Home → Search → Confirm → Pens → Menu → Size
22. 22.🔍 Which is the odd one out? (a) the font size (b) how easy sign-up is (c) how many taps it takes (d) how users feel after
23. 23.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) take the photo (b) open the camera screen
24. 24.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 36 px tall. How many px taller must it be?
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Badges”
    Which screen are you on now? (a) Badges (b) Friend list (c) Match report (d) Lessons
26. 26.💾 What is a variable? (a) a picture (b) a type of screen (c) a phone setting (d) a named box for a value
27. 27.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
28. 28.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Size → Shop → Confirm
    Design B: Home → Confirm → Search → Pay → Item → Cart (a) Design B (b) Design A
29. 29.💾 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
30. 30.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Pay
    Design B: Home → Cart → Pens → Menu → Address
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Results → Address → Confirm → Shop
    Design B: Home → Shop → Confirm
32. 32.True or false: a final design uses the final pictures. (a) False (b) True
33. 33.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
34. 34.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
35. 35.True or false: how users feel after is about UI (the look). (a) False (b) True
36. 36.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) see the final score (c) tap “Start quiz” (d) read a question
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
38. 38.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ top bar ]
    [ tab bar ]
    [ big picture ]
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
40. 40.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Kites", "Ocean"];
    show(songs[0]); (a) Kites (b) Ocean (c) Sunrise

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