App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 582 · 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.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
2. 2.True or false: the icon shapes is about UI (the look). (a) True (b) False
3. 3.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) the sound on/off setting (d) chat messages to friends
4. 4.🔘 Our rule: buttons are at least 48 px tall. The Save button is 24 px tall. How many px taller must it be?
5. 5.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
6. 6.🔢 In a sign-up flow, what comes right after “open the app”? (a) enter the code sent (b) make a password (c) tap “Sign up” (d) see the home screen
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Score card”
   2. tap Back
   3. open “Badges”
   4. tap the Home tab
   Which screen are you on now? (a) Search (b) Score card (c) Badges (d) Home
8. 8.True or false: the font size is about UX (the experience). (a) False (b) True
9. 9.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) enter the code sent (b) see the home screen (c) type name and email (d) open the app
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Size → Shop → Menu
    Design B: Home → Address → Pay → Confirm → Results → Size → Menu
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) icons with no labels (d) fast-flashing lights
12. 12.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
13. 13.🔢 In a food-order flow, what comes right after “add it to the cart”? (a) check the cart (b) track the order (c) pick a dish (d) open the menu
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ big picture ]
    [ tab bar ]
    [ list of items ] (a) list of items (b) top bar (c) big picture (d) tab bar
15. 15.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) take the photo (b) write a caption (c) post the photo (d) add a filter
16. 16.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Science", "Sports", "Maths", "Music"];
    show(notes[3]); (a) Sports (b) Art (c) Science (d) Maths
17. 17.💾 What number does this code show?
    let friends = ["Kabir", "Aman"];
    friends.push("Arjun");
    show(friends.length);
18. 18.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) switches main sections
19. 19.🔍 Which is the odd one out? (a) the icon shapes (b) how fast a task is done (c) the font size (d) the screen layout
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ tab bar ]
    [ Add button ]
    [ top bar ]
    [ list of items ]
    [ Save button ] (a) list of items (b) tab bar (c) top bar (d) Save button
22. 22.🎨 Fewer taps to finish a task usually means ___. (a) better UX (b) more colours (c) worse UX (d) a bigger app
23. 23.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) shows the real fonts (d) uses plain grey boxes
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
25. 25.💾 Which works with no internet at all? (a) a cloud leaderboard (b) a cloud backup (c) a shared chat (d) data saved on the phone
26. 26.🔍 Which is the odd one out? (a) how many taps it takes (b) the button colours (c) how easy sign-up is (d) how fast a task is done
27. 27.💾 What number does this code show?
    let coins = 5;
    coins = coins - 3;
    coins = coins + 4;
    show(coins);
28. 28.True or false: a class leaderboard fits saving in the cloud. (a) True (b) False
29. 29.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
30. 30.🌗 Is red on green easy or hard to read on a button? (a) hard to read (b) easy to read
31. 31.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
32. 32.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) pick an answer (c) tap “Start quiz” (d) read a question
33. 33.Which of these is true of a final design? (a) looks like the real app (b) uses plain grey boxes (c) has no real colours (d) shows where things go
34. 34.True or false: icons with no meaning is good button design. (a) False (b) True
35. 35.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see if it is right (b) see the final score (c) pick an answer (d) read a question
36. 36.✏️ Is this true of a wireframe or of a final design: looks like the real app? (a) a final design (b) a wireframe
37. 37.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
38. 38.💾 What number does this code show?
    let notes = ["Science", "Art", "Sports", "Music"];
    notes.push("Maths");
    show(notes.length);
39. 39.True or false: a wireframe uses plain grey boxes. (a) True (b) False
40. 40.✏️ A box with a cross in a wireframe usually means ___. (a) delete this (b) a closed app (c) a picture goes here (d) an error

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