App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 154 · 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.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) check the cart (b) open the menu
2. 2.🔢 In a photo-post flow, which comes first: “post the photo” or “write a caption”? (a) post the photo (b) write a caption
3. 3.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) open the menu (b) pick a dish (c) track the order (d) check the cart
4. 4.🔘 Is this good or poor button design: a tiny 20 px button? (a) good design (b) poor design
5. 5.Which of these is true of a wireframe? (a) has the real colours (b) uses the final pictures (c) uses plain grey boxes (d) shows the real fonts
6. 6.True or false: buttons almost touching is poor button design. (a) True (b) False
7. 7.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Address → Shop → Item → Offers → Pens
   Design B: Home → Item → Cart → Results → Confirm → Shop (a) Design A (b) Design B
8. 8.True or false: how users feel after is about UI (the look). (a) True (b) False
9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
11. 11.Which colour pair is hard to read? (a) white on black (b) black on pale grey (c) dark blue on white (d) light grey on white
12. 12.Which of these is about UX (the experience)? (a) the button colours (b) the font size (c) the theme colours (d) how easy sign-up is
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) labels on every icon
14. 14.🔢 In a food-order flow, which comes first: “pick a dish” or “check the cart”? (a) pick a dish (b) check the cart
15. 15.🖼️ In this wireframe (top to bottom), what is right below the Add button?
    [ top bar ]
    [ Add button ]
    [ menu icon ]
    [ Save button ]
    [ title text ] (a) top bar (b) title text (c) menu icon (d) Save button
16. 16.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
17. 17.🔘 Is this good or poor button design: a big, easy tap area? (a) good design (b) poor design
18. 18.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
19. 19.💾 What number does this code show?
    let songs = ["Rain", "Stars", "Sunrise"];
    songs.push("Kites");
    songs.push("Ocean");
    show(songs.length);
20. 20.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ list of items ]
    [ Save button ]
    [ filter buttons ]
    [ top bar ]
    [ menu icon ] (a) menu icon (b) top bar (c) list of items (d) Save button
21. 21.🔢 In a sign-up flow, what comes right after “open the app”? (a) type name and email (b) see the home screen (c) enter the code sent (d) tap “Sign up”
22. 22.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
24. 24.Which of these fits saving on the phone? (a) a draft you are typing (b) photos on two devices (c) chat messages to friends (d) a shared to-do list
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Address → Pens
    Design B: Home → Offers → Pens → Menu → Shop → Pay
26. 26.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Caption: 18 px
    Label: 14 px
    Hint: 22 px
    Body text: 17 px
28. 28.🔘 Our rule: buttons are at least 48 px tall. The Start button is 44 px tall. How many px taller must it be?
29. 29.💾 What number does this code show?
    let points = 7;
    points = points - 5;
    points = points + 1;
    show(points);
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ Save button ]
    [ search box ]
    [ tab bar ]
    [ Add button ]
    [ filter buttons ]
31. 31.Which of these is about UI (the look)? (a) how easy sign-up is (b) the button colours (c) whether users get lost (d) how users feel after
32. 32.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
33. 33.🎨 UX stands for user ___. (a) example (b) extra (c) experience (d) express
34. 34.🔢 In a food-order flow, which comes first: “track the order” or “pick a dish”? (a) pick a dish (b) track the order
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Menu: 12 px
    Body text: 25 px
    Caption: 24 px (a) Title (b) Caption (c) Body text (d) Menu
36. 36.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) home screen (c) dead end (d) shortcut
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Menu: 28 px
    Caption: 14 px (a) Label (b) Caption (c) Menu
38. 38.🔍 Which is the odd one out? (a) how fast a task is done (b) how easy sign-up is (c) how users feel after (d) the screen layout
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?

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