App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 868 · 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.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
2. 2.🔘 Is this good or poor button design: strong colour contrast? (a) poor design (b) good design
3. 3.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
4. 4.🖼️ In this wireframe (top to bottom), what is right below the filter buttons?
   [ title text ]
   [ filter buttons ]
   [ menu icon ]
   [ big picture ] (a) title text (b) big picture (c) menu icon
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
6. 6.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) the font size (d) how fast a task is done
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) fast-flashing lights
8. 8.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
9. 9.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
10. 10.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) tap “Sign up” (b) see the home screen (c) open the app (d) make a password
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) icons with no labels
12. 12.🎨 A beautiful app that confuses everyone has ___. (a) good UI but poor UX (b) good UX but poor UI (c) perfect UX (d) no UI at all
13. 13.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to add more taps (c) to skip testing (d) so each step is clear
14. 14.True or false: strong colour contrast is good button design. (a) True (b) False
15. 15.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
16. 16.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
17. 17.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Cart → Confirm → Address
    Design B: Home → Pens → Address → Results → Search → Pay → Item (a) Design B (b) Design A
18. 18.True or false: notes to read offline fits saving on the phone. (a) True (b) False
19. 19.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Video”
    5. tap the Lessons tab
    Which screen are you on now? (a) Video (b) Lessons (c) Map (d) Friend list
21. 21.🔘 Our rule: buttons are at least 48 px tall. The Save button is 32 px tall. How many px taller must it be?
22. 22.🌗 Is white on black easy or hard to read on a button? (a) hard to read (b) easy to read
23. 23.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ tab bar ]
    [ title text ]
    [ menu icon ]
    [ search box ] (a) title text (b) menu icon (c) search box (d) tab bar
24. 24.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
25. 25.Which of these fits saving on the phone? (a) a shared to-do list (b) photos on two devices (c) your last game level (d) a class leaderboard
26. 26.💾 What is a variable? (a) a picture (b) a phone setting (c) a type of screen (d) a named box for a value
27. 27.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) labels on every icon (d) captions on videos
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ big picture ]
    [ list of items ]
    [ tab bar ]
    [ Add button ]
    [ filter buttons ]
    [ top bar ] (a) big picture (b) list of items (c) tab bar (d) filter buttons
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ title text ]
    [ Add button ]
    [ filter buttons ]
    [ big picture ]
31. 31.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 64 px tall
    Back button: 40 px tall
    Start button: 60 px tall (a) Next (b) Start (c) Back
32. 32.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
33. 33.💾 Which can hold many values in order? (a) a switch (b) a button (c) a single number (d) a list
34. 34.True or false: the icon shapes is about UI (the look). (a) False (b) True
35. 35.True or false: a final design uses the final pictures. (a) False (b) True
36. 36.💾 What number does this code show?
    let notes = ["Sports", "Music", "Art", "Science"];
    notes.push("Hindi");
    notes.push("Maths");
    show(notes.length);
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Feed tab
    Which screen are you on now? (a) Settings (b) Chat (c) Feed
38. 38.🔢 In a food-order flow, which comes LAST? (a) add it to the cart (b) track the order (c) check the cart (d) open the menu
39. 39.💾 What does this code show? (Positions start at 0.)
    let notes = ["Art", "Science", "Maths", "Music"];
    show(notes[1]); (a) Music (b) Maths (c) Science (d) Art
40. 40.True or false: the screen layout is about UX (the experience). (a) True (b) False

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