App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 325 · 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.True or false: a wireframe shows where things go. (a) True (b) False
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
3. 3.🔍 Which is the odd one out? (a) the button colours (b) the theme colours (c) the screen layout (d) how many taps it takes
4. 4.🔢 In a food-order flow, what comes right after “check the cart”? (a) track the order (b) add it to the cart (c) pay for the order (d) open the menu
5. 5.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
6. 6.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
7. 7.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
8. 8.Which colour pair is easy to read? (a) red on green (b) white on dark green (c) yellow on white (d) light grey on white
9. 9.✏️ 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
10. 10.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) post the photo (b) take the photo (c) write a caption (d) add a filter
11. 11.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
12. 12.🎨 Is this about UI or UX: how easy sign-up is? (a) UX (b) UI
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Match report”
    4. open “Video”
    Which screen are you on now? (a) Match report (b) Chat (c) Video (d) Feed
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🔢 In a photo-post flow, what comes right after “add a filter”? (a) take the photo (b) post the photo (c) write a caption (d) open the camera screen
16. 16.💾 pop() takes off the last item. What does this code show?
    let songs = ["Ocean", "Kites", "Rain", "Stars", "Monsoon"];
    songs.pop();
    show(songs[songs.length - 1]); (a) Ocean (b) Rain (c) Kites (d) Stars
17. 17.True or false: a wireframe uses plain grey boxes. (a) True (b) False
18. 18.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Done button: 36 px tall
    Back button: 56 px tall
    Save button: 52 px tall
19. 19.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.True or false: your last game level fits saving in the cloud. (a) True (b) False
22. 22.💾 What number does this code show?
    let score = 8;
    score = score - 8;
    score = score + 1;
    show(score);
23. 23.🌗 Is pale pink on white easy or hard to read on a button? (a) hard to read (b) easy to read
24. 24.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Science", "Hindi", "Maths", "Art"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Sports (b) Maths (c) Science (d) Hindi
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) pay for the order (b) track the order
27. 27.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
28. 28.Which colour pair is hard to read? (a) white on dark green (b) black on pale grey (c) yellow on white (d) white on black
29. 29.Which of these fits saving in the cloud? (a) your last game level (b) a shared to-do list (c) a draft you are typing (d) the sound on/off setting
30. 30.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ filter buttons ]
    [ Add button ]
    [ list of items ]
    [ search box ]
    [ tab bar ] (a) search box (b) tab bar (c) Add button (d) filter buttons
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 17 px
    Title: 24 px
    Menu: 17 px
    Caption: 22 px (a) Body text (b) Menu (c) Footer (d) Title
32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) opens a list of pages
33. 33.🔀 Why plan the user flow before building? (a) to hide the buttons (b) so each step is clear (c) to add more taps (d) to skip testing
34. 34.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ title text ]
    [ big picture ]
    [ Save button ] (a) search box (b) Save button (c) big picture (d) title text
35. 35.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Save button ]
    [ top bar ]
    [ tab bar ]
    [ title text ] (a) tab bar (b) title text (c) Save button (d) top bar
36. 36.🔢 In a food-order flow, what comes right after “pay for the order”? (a) track the order (b) add it to the cart (c) check the cart (d) open the menu
37. 37.🌗 Is white on black easy or hard to read on a button? (a) easy to read (b) hard to read
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
39. 39.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Menu → Cart → Item → Results → Search
    Design B: Home → Item → Shop → Menu

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