App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 457 · 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.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
2. 2.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) no UI at all (c) perfect UX (d) good UI but poor UX
3. 3.🖼️ In this wireframe (top to bottom), what is right above the list of items?
   [ title text ]
   [ tab bar ]
   [ search box ]
   [ filter buttons ]
   [ list of items ]
   [ Save button ] (a) Save button (b) title text (c) tab bar (d) filter buttons
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Friend list”
   2. open “Map”
   3. tap the Lessons tab
   Which screen are you on now? (a) Friend list (b) Map (c) Lessons (d) Quiz
5. 5.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
6. 6.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
7. 7.True or false: a wireframe shows the real fonts. (a) True (b) False
8. 8.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Help button: 60 px tall
   Save button: 36 px tall
   Done button: 68 px tall (a) Help (b) Save (c) Done
9. 9.🔍 Which is the odd one out? (a) how fast a task is done (b) how many taps it takes (c) whether users get lost (d) the icon shapes
10. 10.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ list of items ]
    [ menu icon ]
    [ filter buttons ]
    [ search box ] (a) top bar (b) list of items (c) filter buttons (d) search box
11. 11.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 60 px tall
    Help button: 72 px tall
    Done button: 24 px tall (a) Help (b) Next (c) Done
12. 12.✏️ Why draw a wireframe before coding? (a) it runs the app (b) it saves data (c) it adds colours (d) changes are quick
13. 13.💾 What number does this code show?
    let score = 9;
    score = score - 5;
    score = score + 3;
    show(score);
14. 14.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
15. 15.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
16. 16.🔢 In a sign-up flow, which comes first: “enter the code sent” or “see the home screen”? (a) see the home screen (b) enter the code sent
17. 17.True or false: a final design uses the final pictures. (a) True (b) False
18. 18.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Address → Cart → Size → Confirm
    Design B: Home → Offers → Shop → Item → Menu → Confirm → Search (a) Design A (b) Design B
19. 19.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Meera", "Kabir", "Aman"];
    show(friends[2]); (a) Meera (b) Kabir (c) Aman (d) Arjun
20. 20.🔢 In a food-order flow, which comes LAST? (a) pay for the order (b) open the menu (c) track the order (d) pick a dish
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Pay → Offers → Address
    Design B: Home → Cart → Results → Item → Pay → Size
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now? (a) Score card (b) Feed (c) Match report (d) Chat
23. 23.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) make a password (c) open the app (d) enter the code sent
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Menu: 10 px
    Title: 24 px (a) Caption (b) Menu (c) Title
25. 25.🔢 In a quiz-app flow, which comes LAST? (a) pick an answer (b) see the final score (c) tap “Start quiz” (d) see if it is right
26. 26.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “make a password”? (a) make a password (b) tap “Sign up”
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
28. 28.True or false: icons with no meaning is poor button design. (a) False (b) True
29. 29.💾 What number does this code show?
    let score = 7;
    score = score - 1;
    score = score + 2;
    show(score);
30. 30.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
31. 31.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Pens → Search
    Design B: Home → Size → Results → Confirm → Search → Menu → Cart (a) Design A (b) Design B
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ list of items ]
    [ top bar ]
    [ menu icon ]
    [ title text ]
    [ Add button ]
34. 34.🎨 UI stands for user ___. (a) internet (b) input (c) interface (d) idea
35. 35.💾 What number does this code show?
    let notes = ["Maths", "Music"];
    notes.push("Science");
    show(notes.length);
36. 36.Which of these is true of a final design? (a) has no real colours (b) has the real colours (c) shows where things go (d) uses plain grey boxes
37. 37.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Done button: 44 px tall
    Cancel button: 64 px tall
    Send button: 64 px tall (a) Cancel (b) Send (c) Done
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now? (a) Search (b) Score card (c) Map (d) Home
39. 39.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
40. 40.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ search box ]
    [ tab bar ]
    [ big picture ]
    [ filter buttons ] (a) tab bar (b) big picture (c) filter buttons

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