App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 458 · 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.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) big touch targets (d) colour as the only clue
3. 3.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to skip testing (c) so each step is clear (d) to add more taps
4. 4.🔢 In a quiz-app flow, which comes LAST? (a) tap “Start quiz” (b) see if it is right (c) pick an answer (d) see the final score
5. 5.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) better UX (c) worse UX (d) more colours
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Pens → Confirm → Size
   Design B: Home → Size → Search → Item → Pens → Menu
7. 7.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) take the photo (c) post the photo (d) write a caption
8. 8.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ search box ]
   [ tab bar ]
   [ title text ] (a) tab bar (b) search box (c) title text (d) list of items
9. 9.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) has no real colours
10. 10.Which of these is true of a wireframe? (a) shows the real fonts (b) shows where things go (c) has the real colours (d) uses the final pictures
11. 11.✏️ What is the easiest way to draw a first wireframe? (a) a 3D printer (b) a microphone (c) pencil and paper (d) a phone case
12. 12.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
13. 13.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a wireframe (b) a final design
14. 14.✏️ What is a wireframe? (a) the finished app (b) a charging cable (c) a simple screen sketch (d) a type of password
15. 15.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
16. 16.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
17. 17.🔢 In a food-order flow, which comes first: “track the order” or “check the cart”? (a) track the order (b) check the cart
18. 18.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
19. 19.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
20. 20.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Results → Pens → Item → Size → Confirm
    Design B: Home → Search → Pay (a) Design A (b) Design B
21. 21.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 68 px tall
    Back button: 64 px tall
    Start button: 28 px tall (a) Done (b) Back (c) Start
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Body text: 19 px
    Hint: 13 px
    Caption: 17 px
    Title: 24 px (a) Hint (b) Body text (c) Caption (d) Label
23. 23.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Cart
    Design B: Home → Item → Confirm → Size
24. 24.🔢 In a sign-up flow, which comes first: “make a password” or “tap “Sign up””? (a) tap “Sign up” (b) make a password
25. 25.🎨 UI stands for user ___. (a) input (b) interface (c) idea (d) internet
26. 26.Which of these fits saving on the phone? (a) a shared to-do list (b) photos on two devices (c) a class leaderboard (d) a draft you are typing
27. 27.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) text that can grow
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 20 px
    Label: 13 px
31. 31.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ search box ]
    [ tab bar ]
    [ top bar ]
    [ list of items ]
    [ filter buttons ]
    [ big picture ] (a) tab bar (b) big picture (c) top bar (d) search box
32. 32.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) take the photo (c) open the camera screen (d) add a filter
33. 33.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) pick an answer (b) see the final score (c) see if it is right (d) read a question
34. 34.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
35. 35.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
36. 36.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 32 px tall
    Start button: 48 px tall
    Cancel button: 60 px tall (a) Next (b) Cancel (c) Start
37. 37.💾 What does this code show? (Positions start at 0.)
    let songs = ["Ocean", "Rain", "Kites", "Sunrise", "Stars"];
    show(songs[2]); (a) Kites (b) Rain (c) Ocean (d) Sunrise
38. 38.🔍 Which is the odd one out? (a) how users feel after (b) the button colours (c) how fast a task is done (d) how many taps it takes
39. 39.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Results → Pens → Menu → Pay → Offers → Address
    Design B: Home → Size → Offers → Pens

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