App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 416 · 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.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) tab bar (d) shortcut
2. 2.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
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. open “Friend list”
   3. tap Back
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
4. 4.True or false: grey text on grey is good button design. (a) False (b) True
5. 5.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) it runs the app (d) changes are quick
6. 6.💾 What does this code show? (Positions start at 0.)
   let friends = ["Aman", "Zoya", "Riya", "Arjun", "Kabir"];
   show(friends[1]); (a) Arjun (b) Riya (c) Zoya (d) Aman
7. 7.🔢 In a food-order flow, what comes right after “check the cart”? (a) open the menu (b) pay for the order (c) track the order (d) pick a dish
8. 8.🔢 In a sign-up flow, what comes right after “type name and email”? (a) see the home screen (b) enter the code sent (c) make a password (d) tap “Sign up”
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. tap Back
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
10. 10.✏️ What is the easiest way to draw a first wireframe? (a) a microphone (b) a 3D printer (c) a phone case (d) pencil and paper
11. 11.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Menu → Pens → Address → Shop → Offers
    Design B: Home → Offers → Search
12. 12.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
13. 13.💾 What number does this code show?
    let friends = ["Arjun", "Zoya", "Riya"];
    friends.push("Kabir");
    friends.push("Aman");
    show(friends.length);
14. 14.🔍 Which is the odd one out? (a) how users feel after (b) how fast a task is done (c) the font size (d) how easy sign-up is
15. 15.Which of these is about UI (the look)? (a) how easy sign-up is (b) how many taps it takes (c) the button colours (d) how fast a task is done
16. 16.True or false: a final design uses plain grey boxes. (a) True (b) False
17. 17.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) make a password (b) see the home screen (c) open the app (d) type name and email
18. 18.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) big touch targets
19. 19.🔍 Which is the odd one out? (a) whether users get lost (b) how easy sign-up is (c) how fast a task is done (d) the icon shapes
20. 20.🖼️ In this wireframe (top to bottom), what is right below the title text?
    [ search box ]
    [ title text ]
    [ big picture ]
    [ Add button ]
    [ top bar ]
    [ list of items ] (a) search box (b) top bar (c) Add button (d) big picture
21. 21.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ filter buttons ]
    [ top bar ]
    [ big picture ]
    [ tab bar ]
    [ Add button ] (a) filter buttons (b) big picture (c) tab bar (d) top bar
22. 22.True or false: the icon shapes is about UI (the look). (a) False (b) True
23. 23.🎨 Is this about UI or UX: the screen layout? (a) UX (b) UI
24. 24.True or false: a wireframe looks like the real app. (a) False (b) True
25. 25.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ tab bar ]
    [ Add button ]
    [ big picture ]
    [ filter buttons ] (a) tab bar (b) filter buttons (c) Add button
26. 26.💾 What does this code show? (Positions start at 0.)
    let songs = ["Ocean", "Stars", "Rain", "Sunrise", "Kites"];
    show(songs[2]); (a) Stars (b) Ocean (c) Sunrise (d) Rain
27. 27.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) see the home screen (c) open the app (d) enter the code sent
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 40 px tall
    Send button: 56 px tall
    Start button: 64 px tall
    Save button: 64 px tall (a) Start (b) Send (c) Save (d) Help
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Chat tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now? (a) Match report (b) Profile (c) Home (d) Search
31. 31.True or false: notes to read offline fits saving in the cloud. (a) False (b) True
32. 32.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a type of password (d) a charging cable
33. 33.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
34. 34.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ top bar ]
    [ tab bar ]
    [ filter buttons ]
    [ Save button ]
35. 35.🔢 In a photo-post flow, what comes right after “write a caption”? (a) add a filter (b) open the camera screen (c) post the photo (d) take the photo
36. 36.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ top bar ]
    [ big picture ]
    [ tab bar ] (a) tab bar (b) menu icon (c) top bar (d) big picture
37. 37.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
38. 38.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
39. 39.Which colour pair is easy to read? (a) red on green (b) light grey on white (c) dark blue on black (d) black on pale grey
40. 40.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Offers → Pay → Pens → Confirm
    Design B: Home → Search → Cart → Size (a) Design A (b) Design B

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