App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 699 · 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 good flow, each screen should lead to ___. (a) the same screen (b) a random page (c) a dead end (d) a clear next step
2. 2.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
3. 3.✏️ What is a wireframe? (a) a simple screen sketch (b) the finished app (c) a type of password (d) a charging cable
4. 4.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) type name and email (b) open the app (c) see the home screen (d) make a password
5. 5.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
6. 6.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) sudden loud sounds
7. 7.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 52 px tall
   Start button: 64 px tall
   Back button: 68 px tall
   Done button: 24 px tall (a) Send (b) Done (c) Start (d) Back
8. 8.💾 Where should the app save notes to read offline: on the phone or in the cloud? (a) on the phone (b) in the cloud
9. 9.Which of these is true of a wireframe? (a) shows the real fonts (b) has the real colours (c) looks like the real app (d) shows where things go
10. 10.🖼️ In this wireframe (top to bottom), what is right below the list of items?
    [ menu icon ]
    [ search box ]
    [ list of items ]
    [ tab bar ]
    [ top bar ]
    [ filter buttons ] (a) menu icon (b) top bar (c) tab bar (d) search box
11. 11.True or false: the sound on/off setting fits saving in the cloud. (a) False (b) True
12. 12.True or false: your last game level fits saving in the cloud. (a) False (b) True
13. 13.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) undoes one move
14. 14.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
15. 15.🖼️ In this wireframe (top to bottom), what is right above the tab bar?
    [ top bar ]
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ list of items ] (a) search box (b) title text (c) top bar (d) list of items
16. 16.Which of these is about UX (the experience)? (a) the screen layout (b) the icon shapes (c) the font size (d) how users feel after
17. 17.🔢 In a quiz-app flow, which comes first: “read a question” or “tap “Start quiz””? (a) read a question (b) tap “Start quiz”
18. 18.🔢 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
19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ search box ]
    [ title text ]
    [ big picture ]
20. 20.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) a shared to-do list (d) a draft you are typing
21. 21.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Menu
    Design B: Home → Offers → Shop → Confirm → Item → Pay → Search
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
23. 23.Which of these fits saving on the phone? (a) a class leaderboard (b) a shared to-do list (c) the sound on/off setting (d) photos on two devices
24. 24.True or false: a big, easy tap area is poor button design. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 12 px
    Footer: 22 px (a) Title (b) Menu (c) Footer
26. 26.True or false: buttons almost touching is good button design. (a) True (b) False
27. 27.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Confirm → Offers → Address → Menu → Size → Pens
    Design B: Home → Shop → Results
28. 28.💾 What number does this code show?
    let score = 6;
    score = score - 3;
    score = score + 2;
    show(score);
29. 29.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
30. 30.True or false: a wireframe has no real colours. (a) True (b) False
31. 31.True or false: a clear word like Save is good button design. (a) True (b) False
32. 32.💾 What does this code show? (Positions start at 0.)
    let songs = ["Sunrise", "Monsoon", "Kites", "Ocean"];
    show(songs[1]); (a) Kites (b) Sunrise (c) Monsoon (d) Ocean
33. 33.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
34. 34.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) a picture goes here (c) delete this (d) an error
35. 35.💾 What does this code show? (Positions start at 0.)
    let notes = ["Science", "Hindi", "Sports"];
    show(notes[0]); (a) Science (b) Sports (c) Hindi
36. 36.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) your last game level (d) photos on two devices
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) sudden loud sounds
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Help page (d) Video
40. 40.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design

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