App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 804 · 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 final design? (a) shows where things go (b) uses plain grey boxes (c) uses the final pictures (d) is a quick sketch
2. 2.🔢 In a quiz-app flow, which comes FIRST? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) see if it is right
3. 3.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) pick an answer (c) read a question (d) see the final score
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Help page”
   3. tap Back
   Which screen are you on now? (a) Settings (b) Help page (c) Chat (d) Feed
5. 5.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
6. 6.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a type of password (d) a charging cable
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Caption: 24 px
   Footer: 18 px
   Title: 11 px
   Hint: 18 px
8. 8.🎨 Who should you test the UX with? (a) only yourself (b) the app icon (c) nobody (d) real users
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Edit photo”
   3. open “Score card”
   4. open “Score card”
   5. tap Back
   How many times must you tap Back to reach the main screen of this tab?
10. 10.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
11. 11.🔍 Which is the odd one out? (a) the button colours (b) how users feel after (c) the icon shapes (d) the font size
12. 12.🔘 Is this good or poor button design: grey text on grey? (a) poor design (b) good design
13. 13.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Art", "Science", "Music", "Sports"];
    show(notes[0]); (a) Science (b) Art (c) Hindi (d) Music
14. 14.🖼️ In this wireframe (top to bottom), what is right below the big picture?
    [ filter buttons ]
    [ big picture ]
    [ tab bar ]
    [ title text ] (a) tab bar (b) filter buttons (c) title text
15. 15.Which colour pair is hard to read? (a) white on dark green (b) pale pink on white (c) black on pale grey (d) white on black
16. 16.🔢 In a quiz-app flow, which comes first: “see if it is right” or “see the final score”? (a) see if it is right (b) see the final score
17. 17.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 68 px tall
    Back button: 48 px tall
    Cancel button: 72 px tall
    Save button: 44 px tall (a) Back (b) Save (c) Cancel (d) Send
18. 18.True or false: a wireframe has the real colours. (a) True (b) False
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ search box ]
    [ list of items ]
    [ Save button ] (a) Save button (b) top bar (c) search box (d) list of items
21. 21.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) pick a dish (c) add it to the cart (d) open the menu
22. 22.💾 Saving data in the cloud lets you ___. (a) shrink the app (b) use it on any device (c) never need a password (d) skip the internet
23. 23.Which of these is true of a final design? (a) has the real colours (b) shows where things go (c) is a quick sketch (d) has no real colours
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Cart → Results → Pens → Shop
    Design B: Home → Confirm → Search → Shop
25. 25.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
26. 26.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) tap “Start quiz” (c) read a question (d) pick an answer
27. 27.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
28. 28.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) tiny tap areas (d) colour as the only clue
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Body text: 18 px
    Title: 19 px
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Pens → Pay
    Design B: Home → Pens → Search → Shop → Results
32. 32.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
33. 33.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
34. 34.🔢 In a food-order flow, what comes right after “pay for the order”? (a) add it to the cart (b) pick a dish (c) check the cart (d) track the order
35. 35.Which of these fits saving on the phone? (a) chat messages to friends (b) a shared to-do list (c) photos on two devices (d) a draft you are typing
36. 36.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Title: 20 px
    Menu: 26 px
    Caption: 9 px (a) Menu (b) Title (c) Caption (d) Hint
38. 38.Which colour pair is hard to read? (a) yellow on white (b) white on dark green (c) dark blue on white (d) white on black
39. 39.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Confirm → Shop → Pens → Search
    Design B: Home → Pens → Search → Size → Address → Menu → Cart
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Pens
    Design B: Home → Confirm → Address → Menu → Item

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