App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 822 · 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.🎨 UX stands for user ___. (a) example (b) express (c) extra (d) experience
2. 2.🔢 In a food-order flow, what comes right after “pick a dish”? (a) pay for the order (b) open the menu (c) track the order (d) add it to the cart
3. 3.Which colour pair is hard to read? (a) black on yellow (b) light grey on white (c) white on black (d) white on dark green
4. 4.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. open “Friend list”
   3. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.💾 What number does this code show?
   let friends = ["Riya", "Kabir", "Aman", "Arjun"];
   friends.push("Zoya");
   friends.push("Meera");
   show(friends.length);
7. 7.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
8. 8.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
9. 9.🔢 In a photo-post flow, which comes first: “post the photo” or “add a filter”? (a) add a filter (b) post the photo
10. 10.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Pay → Pens
    Design B: Home → Pens → Cart → Pay → Confirm → Offers
12. 12.True or false: photos on two devices fits saving on the phone. (a) False (b) True
13. 13.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) a random page (c) a clear next step (d) the same screen
14. 14.🔍 Which is the odd one out? (a) how fast a task is done (b) the button colours (c) the screen layout (d) the icon shapes
15. 15.Which colour pair is easy to read? (a) light grey on white (b) pale pink on white (c) black on pale grey (d) yellow on white
16. 16.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
17. 17.Which of these is true of a wireframe? (a) shows the real fonts (b) shows where things go (c) uses the final pictures (d) has the real colours
18. 18.🔢 In a photo-post flow, which comes first: “add a filter” or “write a caption”? (a) write a caption (b) add a filter
19. 19.True or false: a wireframe shows the real fonts. (a) True (b) False
20. 20.🔢 In a food-order flow, which comes first: “pick a dish” or “open the menu”? (a) pick a dish (b) open the menu
21. 21.True or false: the button colours is about UX (the experience). (a) True (b) False
22. 22.Which colour pair is hard to read? (a) pale pink on white (b) white on dark green (c) white on black (d) black on yellow
23. 23.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) big touch targets (d) colour as the only clue
24. 24.🔢 In a sign-up flow, which comes first: “see the home screen” or “type name and email”? (a) see the home screen (b) type name and email
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 60 px tall
    Start button: 56 px tall
    Save button: 64 px tall
    Done button: 36 px tall
26. 26.True or false: a big, easy tap area is good button design. (a) True (b) False
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now? (a) Map (b) Home (c) Match report (d) Edit photo
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 64 px tall
    Cancel button: 48 px tall
    Back button: 52 px tall
    Send button: 24 px tall (a) Send (b) Next (c) Back (d) Cancel
29. 29.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Search → Pay
    Design B: Home → Confirm → Shop → Pens → Pay → Item
30. 30.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) text that can grow
31. 31.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 32 px tall
    Next button: 40 px tall
    Help button: 32 px tall
32. 32.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) dark blue on black (d) dark blue on white
33. 33.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) open the camera screen (b) add a filter
34. 34.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Pay → Offers → Confirm → Address → Pens
    Design B: Home → Pay → Cart → Offers → Item → Pens (a) Design A (b) Design B
35. 35.Which colour pair is hard to read? (a) black on pale grey (b) white on dark green (c) red on green (d) white on black
36. 36.💾 What does this code show? (Positions start at 0.)
    let friends = ["Meera", "Zoya", "Riya", "Arjun"];
    show(friends[1]); (a) Zoya (b) Riya (c) Meera (d) Arjun
37. 37.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ search box ]
    [ Save button ]
    [ list of items ]
    [ top bar ]
    [ title text ]
    [ big picture ] (a) big picture (b) list of items (c) title text (d) Save button
38. 38.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ big picture ]
    [ menu icon ]
    [ Add button ]
    [ list of items ] (a) big picture (b) list of items (c) Add button
39. 39.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Back button: 44 px tall
    Save button: 48 px tall
    Cancel button: 36 px tall
40. 40.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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