App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 337 · 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 LAST? (a) add it to the cart (b) track the order (c) open the menu (d) pay for the order
2. 2.Which of these fits saving on the phone? (a) notes to read offline (b) a class leaderboard (c) chat messages to friends (d) photos on two devices
3. 3.💾 pop() takes off the last item. What does this code show?
   let friends = ["Arjun", "Riya", "Kabir", "Aman", "Meera"];
   friends.pop();
   show(friends[friends.length - 1]); (a) Arjun (b) Aman (c) Kabir (d) Riya
4. 4.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
6. 6.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
7. 7.🔘 Our rule: buttons are at least 48 px tall. The Back button is 20 px tall. How many px taller must it be?
8. 8.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
   [ title text ]
   [ filter buttons ]
   [ big picture ]
   [ menu icon ] (a) menu icon (b) title text (c) big picture
9. 9.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
10. 10.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ top bar ]
    [ Save button ]
    [ search box ]
    [ list of items ]
    [ tab bar ] (a) Save button (b) list of items (c) top bar (d) tab bar
11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
12. 12.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ top bar ]
    [ list of items ]
    [ filter buttons ]
    [ menu icon ] (a) menu icon (b) top bar (c) filter buttons
13. 13.🔢 In a photo-post flow, which comes first: “take the photo” or “write a caption”? (a) write a caption (b) take the photo
14. 14.💾 Saving data in the cloud lets you ___. (a) never need a password (b) shrink the app (c) skip the internet (d) use it on any device
15. 15.Which of these is about UX (the experience)? (a) the button colours (b) the icon shapes (c) the theme colours (d) how fast a task is done
16. 16.Which colour pair is hard to read? (a) light grey on white (b) dark blue on white (c) black on yellow (d) black on pale grey
17. 17.💾 What number does this code show?
    let coins = 6;
    coins = coins - 5;
    coins = coins + 2;
    show(coins);
18. 18.🔢 In a food-order flow, what comes right after “pick a dish”? (a) check the cart (b) open the menu (c) pay for the order (d) add it to the cart
19. 19.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
20. 20.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ menu icon ]
    [ title text ]
    [ big picture ]
    [ Save button ]
    [ Add button ]
21. 21.🔢 In a sign-up flow, which comes FIRST? (a) tap “Sign up” (b) open the app (c) enter the code sent (d) make a password
22. 22.Which of these fits saving in the cloud? (a) the sound on/off setting (b) notes to read offline (c) photos on two devices (d) your last game level
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Caption: 28 px
    Menu: 24 px
    Title: 21 px (a) Caption (b) Menu (c) Title (d) Body text
24. 24.Which of these is about UX (the experience)? (a) the font size (b) the screen layout (c) the theme colours (d) whether users get lost
25. 25.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) sudden loud sounds
26. 26.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) switches main sections
27. 27.True or false: a big, easy tap area is poor button design. (a) True (b) False
28. 28.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ tab bar ]
    [ list of items ]
    [ big picture ]
    [ title text ]
    [ Save button ]
    [ menu icon ] (a) Save button (b) tab bar (c) big picture (d) title text
29. 29.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a final design (b) a wireframe
30. 30.🌗 Is yellow on white easy or hard to read on a button? (a) hard to read (b) easy to read
31. 31.💾 What does this code show? (Positions start at 0.)
    let songs = ["Kites", "Rain", "Ocean", "Stars", "Sunrise"];
    show(songs[3]); (a) Ocean (b) Rain (c) Stars (d) Kites
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Size → Pay → Item → Pens
    Design B: Home → Item → Confirm → Pens → Size → Pay → Search (a) Design A (b) Design B
33. 33.🔢 In a food-order flow, which comes first: “open the menu” or “check the cart”? (a) check the cart (b) open the menu
34. 34.Which of these fits saving on the phone? (a) your last game level (b) photos on two devices (c) a class leaderboard (d) chat messages to friends
35. 35.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Score card”
    Which screen are you on now? (a) Search (b) Score card (c) Friend list (d) Home
37. 37.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Shop → Address → Cart
    Design B: Home → Results → Item → Size → Pens → Menu (a) Design A (b) Design B
39. 39.💾 What does this code show? (Positions start at 0.)
    let songs = ["Ocean", "Stars", "Monsoon"];
    show(songs[0]); (a) Ocean (b) Monsoon (c) Stars
40. 40.✏️ Do wireframes usually show the final colours? (a) No (b) Yes

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