App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 376 · 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 the coder (b) nobody (c) everyone (d) only experts
2. 2.🔢 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
3. 3.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Address → Pens → Search → Menu → Results
   Design B: Home → Shop → Menu → Pay (a) Design A (b) Design B
4. 4.True or false: a wireframe uses the final pictures. (a) True (b) False
5. 5.True or false: space between buttons is poor button design. (a) False (b) True
6. 6.Which colour pair is hard to read? (a) pale pink on white (b) white on dark green (c) dark blue on white (d) white on black
7. 7.🖼️ In this wireframe (top to bottom), what is right above the list of items?
   [ menu icon ]
   [ big picture ]
   [ list of items ]
   [ search box ]
   [ Add button ] (a) search box (b) big picture (c) menu icon (d) Add button
8. 8.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) shows the real fonts (d) is a quick sketch
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ search box ]
    [ title text ]
    [ big picture ]
    [ menu icon ]
    [ list of items ]
11. 11.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
12. 12.True or false: notes to read offline fits saving on the phone. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) sudden loud sounds
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now? (a) Score card (b) Friend list (c) Home (d) Search
15. 15.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Menu → Results → Offers → Confirm
    Design B: Home → Shop → Pens → Pay (a) Design A (b) Design B
16. 16.True or false: a draft you are typing fits saving in the cloud. (a) True (b) False
17. 17.💾 What number does this code show?
    let notes = ["Sports", "Music"];
    notes.push("Hindi");
    show(notes.length);
18. 18.🖼️ How many parts (boxes) does this wireframe have?
    [ list of items ]
    [ filter buttons ]
    [ title text ]
    [ Add button ]
    [ menu icon ]
    [ big picture ]
19. 19.True or false: a draft you are typing fits saving on the phone. (a) False (b) True
20. 20.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Search → Menu → Size → Pens → Address
    Design B: Home → Item → Pens → Size → Confirm → Address (a) Design A (b) Design B
21. 21.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
22. 22.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a wireframe (b) a final design
23. 23.🎨 Is this about UI or UX: how users feel after? (a) UI (b) UX
24. 24.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) check the cart (d) pay for the order
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap the Settings tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Body text: 20 px
    Footer: 21 px
    Title: 12 px (a) Title (b) Footer (c) Body text (d) Hint
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Caption: 23 px
    Menu: 19 px
    Hint: 24 px
    Footer: 20 px (a) Caption (b) Hint (c) Menu (d) Body text
28. 28.Which of these is true of a final design? (a) uses the final pictures (b) has no real colours (c) is a quick sketch (d) uses plain grey boxes
29. 29.🔢 In a sign-up flow, which comes first: “open the app” or “see the home screen”? (a) see the home screen (b) open the app
30. 30.Which colour pair is easy to read? (a) light grey on white (b) dark blue on black (c) red on green (d) black on pale grey
31. 31.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
32. 32.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ tab bar ]
    [ title text ]
    [ list of items ]
    [ filter buttons ] (a) filter buttons (b) title text (c) tab bar
33. 33.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Results → Shop
    Design B: Home → Pens → Size → Shop → Search → Confirm
34. 34.💾 What number does this code show?
    let songs = ["Rain", "Stars", "Kites", "Sunrise"];
    songs.push("Monsoon");
    show(songs.length);
35. 35.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) goes to the last screen
36. 36.💾 Where should the app save a shared to-do list: on the phone or in the cloud? (a) on the phone (b) in the cloud
37. 37.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) on the phone (b) in the cloud
38. 38.🔢 In a food-order flow, what comes right after “open the menu”? (a) add it to the cart (b) pay for the order (c) check the cart (d) pick a dish
39. 39.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Cancel button: 56 px tall
    Start button: 36 px tall
    Back button: 68 px tall
    Next button: 68 px tall (a) Start (b) Next (c) Back (d) Cancel
40. 40.💾 What does this code show? (Positions start at 0.)
    let notes = ["Hindi", "Maths", "Art", "Science"];
    show(notes[2]); (a) Hindi (b) Maths (c) Science (d) Art

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