App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 782 · 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). How many taps does the shorter design save?
   Design A: Home → Pay → Search → Confirm → Pens
   Design B: Home → Results → Confirm
2. 2.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
3. 3.🖼️ In this wireframe (top to bottom), what is right above the top bar?
   [ menu icon ]
   [ list of items ]
   [ tab bar ]
   [ title text ]
   [ top bar ] (a) list of items (b) menu icon (c) tab bar (d) title text
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Footer: 11 px
   Menu: 13 px
   Caption: 22 px
   Hint: 22 px
5. 5.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. tap Back
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
7. 7.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
8. 8.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
9. 9.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
10. 10.💾 What number does this code show?
    let songs = ["Rain", "Ocean", "Monsoon"];
    songs.push("Stars");
    songs.push("Kites");
    show(songs.length);
11. 11.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) dark blue on white (d) yellow on white
12. 12.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) big touch targets (d) captions on videos
13. 13.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 48 px tall
    Next button: 24 px tall
    Send button: 60 px tall (a) Next (b) Cancel (c) Send
14. 14.🎨 Is this about UI or UX: the screen layout? (a) UI (b) UX
15. 15.💾 Which can hold many values in order? (a) a switch (b) a list (c) a button (d) a single number
16. 16.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) icons with no labels (d) tiny tap areas
18. 18.True or false: a final design shows where things go. (a) True (b) False
19. 19.True or false: a final design shows the real fonts. (a) True (b) False
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
21. 21.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
22. 22.🔢 In a food-order flow, what comes right after “open the menu”? (a) check the cart (b) pick a dish (c) pay for the order (d) add it to the cart
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
24. 24.🔢 In a photo-post flow, which comes first: “post the photo” or “add a filter”? (a) post the photo (b) add a filter
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 52 px tall
    Cancel button: 56 px tall
    Done button: 48 px tall
    Next button: 36 px tall
26. 26.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.🔘 Is this good or poor button design: space between buttons? (a) poor design (b) good design
28. 28.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) check the cart (c) pay for the order (d) track the order
29. 29.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
30. 30.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Send button: 60 px tall
    Next button: 60 px tall
    Done button: 56 px tall
31. 31.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ menu icon ]
    [ Save button ]
    [ top bar ]
    [ big picture ] (a) menu icon (b) Save button (c) top bar
32. 32.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
33. 33.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) strong colour contrast
34. 34.True or false: how users feel after is about UX (the experience). (a) True (b) False
35. 35.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
36. 36.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ big picture ]
    [ top bar ]
    [ menu icon ]
    [ Save button ]
    [ filter buttons ]
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Me tab
    4. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Quiz (c) Me (d) Score card
38. 38.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Pay → Item
    Design B: Home → Item → Menu → Cart → Shop → Confirm (a) Design A (b) Design B
40. 40.💾 What number does this code show?
    let score = 3;
    score = score - 2;
    score = score + 3;
    show(score);

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