App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 920 · 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 of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 15 px
   Hint: 12 px
   Label: 11 px
   Caption: 17 px
   Title: 19 px
3. 3.🔍 Which is the odd one out? (a) the font size (b) how fast a task is done (c) whether users get lost (d) how users feel after
4. 4.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) delete this (c) an error (d) a picture goes here
5. 5.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Save button: 40 px tall
   Help button: 40 px tall
   Back button: 60 px tall
   Next button: 48 px tall
6. 6.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pick a dish (b) check the cart (c) open the menu (d) pay for the order
7. 7.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) add a filter (c) take the photo (d) open the camera screen
8. 8.🔘 Our rule: buttons are at least 48 px tall. The Help button is 40 px tall. How many px taller must it be?
9. 9.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) better UX (c) worse UX (d) more colours
10. 10.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.Which colour pair is hard to read? (a) black on pale grey (b) white on dark green (c) dark blue on white (d) red on green
12. 12.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
13. 13.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) the same screen (c) a clear next step (d) a dead end
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now? (a) Me (b) Lessons (c) Video (d) Score card
15. 15.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Cart → Offers → Shop → Search → Size
    Design B: Home → Cart → Results → Offers → Confirm → Pens → Pay
16. 16.Which of these is true of a final design? (a) is a quick sketch (b) has no real colours (c) shows where things go (d) looks like the real app
17. 17.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 60 px tall
    Done button: 60 px tall
    Back button: 64 px tall
18. 18.True or false: a clear word like Save is good button design. (a) False (b) True
19. 19.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
20. 20.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) shrink the app (c) never need a password (d) use it on any device
21. 21.Which of these is about UX (the experience)? (a) the screen layout (b) the icon shapes (c) how easy sign-up is (d) the font size
22. 22.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ Save button ]
    [ filter buttons ]
    [ Add button ]
    [ tab bar ]
    [ search box ]
    [ top bar ] (a) top bar (b) Save button (c) tab bar (d) filter buttons
23. 23.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
24. 24.🔢 In a quiz-app flow, which comes FIRST? (a) read a question (b) pick an answer (c) see the final score (d) tap “Start quiz”
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
26. 26.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pay
    Design B: Home → Size → Pens → Confirm → Offers (a) Design B (b) Design A
27. 27.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 56 px tall
    Back button: 68 px tall
    Done button: 72 px tall
    Send button: 36 px tall (a) Done (b) Back (c) Send (d) Save
28. 28.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) write a caption (c) add a filter (d) open the camera screen
29. 29.🔍 Which is the odd one out? (a) the theme colours (b) whether users get lost (c) how many taps it takes (d) how users feel after
30. 30.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) the font size (d) whether users get lost
31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
32. 32.True or false: whether users get lost is about UI (the look). (a) True (b) False
33. 33.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UI but poor UX (c) good UX but poor UI (d) no UI at all
34. 34.💾 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
35. 35.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) track the order (c) check the cart (d) pick a dish
36. 36.✏️ Why draw a wireframe before coding? (a) it saves data (b) it adds colours (c) it runs the app (d) changes are quick
37. 37.💾 What is a variable? (a) a phone setting (b) a named box for a value (c) a picture (d) a type of screen
38. 38.Which of these is true of a wireframe? (a) shows where things go (b) shows the real fonts (c) uses the final pictures (d) looks like the real app
39. 39.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
40. 40.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a phone case (c) pencil and paper (d) a 3D printer

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