App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 175 · 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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Size → Item → Confirm → Search → Offers → Pens
   Design B: Home → Offers → Search → Confirm → Pens → Address (a) Design B (b) Design A
2. 2.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) captions on videos
3. 3.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. tap the Quiz tab
   3. open “Friend list”
   4. open “Help page”
   5. tap Back
   Which screen are you on now? (a) Friend list (b) Lessons (c) Help page (d) Badges
5. 5.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
6. 6.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
7. 7.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) no UI at all (c) perfect UX (d) good UX but poor UI
8. 8.Which colour pair is easy to read? (a) pale pink on white (b) white on black (c) dark blue on black (d) light grey on white
9. 9.🔢 In a photo-post flow, which comes LAST? (a) open the camera screen (b) write a caption (c) take the photo (d) post the photo
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Label: 16 px
    Footer: 18 px
    Title: 9 px (a) Label (b) Hint (c) Title (d) Footer
11. 11.🔢 In a food-order flow, what comes right after “pick a dish”? (a) check the cart (b) pay for the order (c) open the menu (d) add it to the cart
12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.Which of these is true of a final design? (a) is a quick sketch (b) shows where things go (c) has the real colours (d) has no real colours
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now? (a) Help page (b) Badges (c) Match report (d) Feed
16. 16.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
17. 17.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 60 px tall
    Save button: 56 px tall
    Cancel button: 48 px tall
18. 18.🔀 What is a user flow? (a) the path through screens (b) a type of font (c) a colour theme (d) a charging cable
19. 19.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
20. 20.🔢 In a food-order flow, which comes first: “pay for the order” or “pick a dish”? (a) pay for the order (b) pick a dish
21. 21.🔢 In a photo-post flow, which comes FIRST? (a) post the photo (b) add a filter (c) write a caption (d) open the camera screen
22. 22.True or false: a final design shows the real fonts. (a) True (b) False
23. 23.Which of these fits saving on the phone? (a) photos on two devices (b) chat messages to friends (c) a class leaderboard (d) notes to read offline
24. 24.True or false: photos on two devices fits saving in the cloud. (a) False (b) True
25. 25.True or false: whether users get lost is about UI (the look). (a) False (b) True
26. 26.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Cart → Results → Pens → Confirm → Shop
    Design B: Home → Pens → Address → Menu
27. 27.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a closed app (c) an error (d) a picture goes here
28. 28.💾 Which can hold many values in order? (a) a list (b) a single number (c) a button (d) a switch
29. 29.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a phone case (c) a microphone (d) pencil and paper
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Item → Pens → Offers
    Design B: Home → Offers → Confirm → Item (a) Design A (b) Design B
31. 31.🎨 Who should you test the UX with? (a) nobody (b) the app icon (c) real users (d) only yourself
32. 32.True or false: a wireframe shows the real fonts. (a) False (b) True
33. 33.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Pay → Menu → Confirm
    Design B: Home → Pens → Offers → Pay (a) Design B (b) Design A
34. 34.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
35. 35.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) pick a dish (b) check the cart (c) track the order (d) open the menu
36. 36.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
37. 37.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
38. 38.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ list of items ]
    [ Add button ]
    [ search box ]
40. 40.🌗 Is white on dark green easy or hard to read on a button? (a) easy to read (b) hard to read

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