App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 122 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ top bar ]
   [ menu icon ]
   [ tab bar ]
   [ big picture ]
   [ Save button ]
2. 2.Which colour pair is hard to read? (a) dark blue on white (b) black on pale grey (c) white on dark green (d) dark blue on black
3. 3.✏️ What is a wireframe? (a) the finished app (b) a type of password (c) a charging cable (d) a simple screen sketch
4. 4.True or false: a tiny 20 px button is good button design. (a) True (b) False
5. 5.🔘 Is this good or poor button design: a clear word like Save? (a) poor design (b) good design
6. 6.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) sits at the bottom
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap Back
   3. tap the Profile tab
   4. tap the Home tab
   Which screen are you on now? (a) Profile (b) Search (c) Map (d) Home
8. 8.🔍 Which is the odd one out? (a) the icon shapes (b) the theme colours (c) the button colours (d) how fast a task is done
9. 9.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
10. 10.🔘 Our rule: buttons are at least 48 px tall. The Start button is 32 px tall. How many px taller must it be?
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pens → Results → Address
    Design B: Home → Results → Size → Shop → Item → Address
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 16 px
    Menu: 25 px
    Footer: 19 px
    Body text: 13 px (a) Body text (b) Caption (c) Menu (d) Title
13. 13.💾 What number does this code show?
    let notes = ["Hindi", "Art", "Science", "Sports"];
    notes.push("Maths");
    notes.push("Music");
    show(notes.length);
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now? (a) Friend list (b) Profile (c) Home (d) Score card
15. 15.🔘 Is this good or poor button design: a big, easy tap area? (a) poor design (b) good design
16. 16.Which of these is true of a wireframe? (a) looks like the real app (b) has the real colours (c) uses the final pictures (d) uses plain grey boxes
17. 17.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
18. 18.Which colour pair is hard to read? (a) black on yellow (b) white on black (c) black on pale grey (d) red on green
19. 19.Which of these is true of a wireframe? (a) has the real colours (b) uses the final pictures (c) is a quick sketch (d) shows the real fonts
20. 20.🔢 In a sign-up flow, which comes first: “make a password” or “type name and email”? (a) make a password (b) type name and email
21. 21.🎨 Fewer taps to finish a task usually means ___. (a) a bigger app (b) worse UX (c) more colours (d) better UX
22. 22.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) big touch targets
23. 23.🔢 In a food-order flow, which comes first: “add it to the cart” or “check the cart”? (a) check the cart (b) add it to the cart
24. 24.🎨 A beautiful app that confuses everyone has ___. (a) perfect UX (b) good UX but poor UI (c) no UI at all (d) good UI but poor UX
25. 25.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
26. 26.True or false: a wireframe has no real colours. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Title: 18 px
    Caption: 23 px
    Footer: 28 px
    Menu: 9 px (a) Title (b) Menu (c) Body text (d) Caption
28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Home (c) Score card (d) Profile
29. 29.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
30. 30.🎨 Who should you test the UX with? (a) the app icon (b) real users (c) nobody (d) only yourself
31. 31.🖼️ In this wireframe (top to bottom), what is right below the Save button?
    [ title text ]
    [ Save button ]
    [ menu icon ]
    [ list of items ] (a) list of items (b) title text (c) menu icon
32. 32.💾 What number does this code show?
    let notes = ["Science", "Maths", "Sports"];
    notes.push("Music");
    show(notes.length);
33. 33.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
34. 34.🖼️ In this wireframe (top to bottom), what is right above the Save button?
    [ search box ]
    [ big picture ]
    [ list of items ]
    [ top bar ]
    [ filter buttons ]
    [ Save button ] (a) search box (b) filter buttons (c) big picture (d) top bar
35. 35.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) tap “Start quiz” (b) read a question
36. 36.Which of these is true of a final design? (a) is a quick sketch (b) uses the final pictures (c) uses plain grey boxes (d) shows where things go
37. 37.🔢 In a food-order flow, which comes FIRST? (a) check the cart (b) open the menu (c) pick a dish (d) pay for the order
38. 38.🔢 In a food-order flow, which comes first: “check the cart” or “open the menu”? (a) check the cart (b) open the menu
39. 39.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

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