App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 723 · 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.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
2. 2.Which of these is about UX (the experience)? (a) the screen layout (b) the theme colours (c) how easy sign-up is (d) the font size
3. 3.🔘 Is this good or poor button design: buttons almost touching? (a) good design (b) poor design
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a text label (d) a long animation
5. 5.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ tab bar ]
   [ Add button ]
   [ menu icon ] (a) Add button (b) list of items (c) tab bar (d) menu icon
6. 6.🌗 Is black on pale grey easy or hard to read on a button? (a) easy to read (b) hard to read
7. 7.True or false: a tiny 20 px button is poor button design. (a) True (b) False
8. 8.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) open the menu (c) check the cart (d) pay for the order
9. 9.🔢 In a sign-up flow, which comes first: “enter the code sent” or “make a password”? (a) make a password (b) enter the code sent
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
11. 11.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 60 px tall
    Help button: 56 px tall
    Next button: 44 px tall (a) Start (b) Next (c) Help
12. 12.🎨 UI stands for user ___. (a) idea (b) input (c) internet (d) interface
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now? (a) Friend list (b) Home (c) Video (d) Match report
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Confirm → Address → Offers → Cart → Search
    Design B: Home → Menu → Size → Confirm → Pens
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now? (a) Feed (b) Settings (c) Edit photo (d) Chat
16. 16.💾 What number does this code show?
    let stars = 6;
    stars = stars - 4;
    stars = stars + 1;
    show(stars);
17. 17.🔢 In a quiz-app flow, which comes LAST? (a) see if it is right (b) tap “Start quiz” (c) see the final score (d) pick an answer
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pens → Menu
    Design B: Home → Shop → Menu → Cart
19. 19.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ tab bar ]
    [ menu icon ]
    [ filter buttons ] (a) tab bar (b) top bar (c) filter buttons (d) menu icon
20. 20.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
21. 21.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
22. 22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Search → Pay
    Design B: Home → Offers → Pens → Results → Pay (a) Design B (b) Design A
23. 23.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
24. 24.💾 Saving data in the cloud lets you ___. (a) use it on any device (b) shrink the app (c) skip the internet (d) never need a password
25. 25.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Menu → Search → Size → Shop → Address
    Design B: Home → Search → Cart → Item → Address → Offers → Menu
26. 26.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
27. 27.💾 What number does this code show?
    let friends = ["Aman", "Meera"];
    friends.push("Arjun");
    show(friends.length);
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Title: 13 px
    Label: 10 px
    Menu: 20 px
29. 29.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
30. 30.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
31. 31.True or false: a final design uses plain grey boxes. (a) True (b) False
32. 32.True or false: the sound on/off setting fits saving on the phone. (a) False (b) True
33. 33.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) delete this (c) a picture goes here (d) an error
34. 34.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ filter buttons ]
    [ top bar ]
    [ search box ]
    [ Save button ]
    [ big picture ]
35. 35.True or false: buttons almost touching is poor button design. (a) False (b) True
36. 36.Which of these is about UX (the experience)? (a) whether users get lost (b) the screen layout (c) the theme colours (d) the font size
37. 37.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 32 px tall
    Help button: 68 px tall
    Done button: 60 px tall
    Send button: 68 px tall (a) Help (b) Save (c) Send (d) Done
38. 38.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
39. 39.Which of these fits saving on the phone? (a) notes to read offline (b) chat messages to friends (c) a class leaderboard (d) photos on two devices
40. 40.🖼️ How many parts (boxes) does this wireframe have?
    [ menu icon ]
    [ filter buttons ]
    [ Add button ]
    [ tab bar ]
    [ list of items ]

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