App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 682 · 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.🖼️ In this wireframe (top to bottom), what is right above the search box?
   [ top bar ]
   [ search box ]
   [ title text ]
   [ big picture ]
   [ tab bar ]
   [ list of items ] (a) tab bar (b) title text (c) big picture (d) top bar
2. 2.Which of these is true of a wireframe? (a) uses the final pictures (b) is a quick sketch (c) looks like the real app (d) has the real colours
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. open “Friend list”
   3. tap Back
   How many times must you tap Back to reach the main screen of this tab?
4. 4.💾 What number does this code show?
   let score = 3;
   score = score - 3;
   score = score + 5;
   show(score);
5. 5.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Address → Size → Item
   Design B: Home → Address → Confirm → Pay → Cart
6. 6.🔢 In a photo-post flow, which comes first: “add a filter” or “open the camera screen”? (a) add a filter (b) open the camera screen
7. 7.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) in the cloud (b) on the phone
8. 8.🔍 Which is the odd one out? (a) the button colours (b) the font size (c) the icon shapes (d) whether users get lost
9. 9.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) see if it is right (c) tap “Start quiz” (d) pick an answer
10. 10.💾 What number does this code show?
    let notes = ["Music", "Science", "Art"];
    notes.push("Maths");
    notes.push("Sports");
    show(notes.length);
11. 11.🖼️ In this wireframe (top to bottom), what is right above the title text?
    [ search box ]
    [ title text ]
    [ tab bar ]
    [ list of items ]
    [ Add button ] (a) Add button (b) tab bar (c) list of items (d) search box
12. 12.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
13. 13.🌗 Is black on pale grey easy or hard to read on a button? (a) hard to read (b) easy to read
14. 14.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: a wireframe looks like the real app. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) how fast a task is done (d) the screen layout
17. 17.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
18. 18.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) a shared to-do list (d) the sound on/off setting
19. 19.🔍 Which is the odd one out? (a) whether users get lost (b) how many taps it takes (c) how fast a task is done (d) the theme colours
20. 20.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 64 px tall
    Back button: 64 px tall
    Send button: 40 px tall
    Save button: 60 px tall
21. 21.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
22. 22.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ tab bar ]
    [ Save button ]
    [ big picture ] (a) tab bar (b) Save button (c) search box (d) big picture
23. 23.🎨 UX stands for user ___. (a) example (b) extra (c) express (d) experience
24. 24.True or false: the icon shapes is about UX (the experience). (a) False (b) True
25. 25.✏️ Do wireframes usually show the final colours? (a) No (b) Yes
26. 26.🔀 Why plan the user flow before building? (a) to hide the buttons (b) to add more taps (c) so each step is clear (d) to skip testing
27. 27.🔢 In a food-order flow, which comes FIRST? (a) add it to the cart (b) open the menu (c) track the order (d) pick a dish
28. 28.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Save button: 28 px tall
    Help button: 56 px tall
    Done button: 64 px tall
    Send button: 56 px tall (a) Send (b) Help (c) Save (d) Done
29. 29.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
30. 30.🖼️ How many parts (boxes) does this wireframe have?
    [ Add button ]
    [ filter buttons ]
    [ tab bar ]
    [ Save button ]
    [ list of items ]
    [ top bar ]
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Home tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ big picture ]
    [ list of items ]
    [ tab bar ]
    [ title text ] (a) big picture (b) list of items (c) title text (d) tab bar
33. 33.💾 Saving data in the cloud lets you ___. (a) skip the internet (b) shrink the app (c) never need a password (d) use it on any device
34. 34.🖼️ In this wireframe (top to bottom), what is right above the search box?
    [ top bar ]
    [ search box ]
    [ tab bar ]
    [ title text ]
    [ list of items ] (a) list of items (b) title text (c) tab bar (d) top bar
35. 35.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Offers → Shop
    Design B: Home → Item → Results → Search → Pens → Offers
36. 36.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ big picture ]
    [ tab bar ]
    [ top bar ]
    [ filter buttons ]
    [ Add button ] (a) Add button (b) big picture (c) filter buttons (d) tab bar
37. 37.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) a draft you are typing (d) photos on two devices
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Body text: 19 px
    Caption: 28 px (a) Label (b) Caption (c) Body text
39. 39.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
40. 40.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Send button: 40 px tall
    Save button: 48 px tall
    Next button: 60 px tall
    Done button: 60 px tall (a) Next (b) Save (c) Done (d) Send

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