App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 767 · 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.🔘 Our rule: buttons are at least 48 px tall. The Help button is 28 px tall. How many px taller must it be?
2. 2.🎨 A beautiful app that confuses everyone has ___. (a) good UX but poor UI (b) good UI but poor UX (c) perfect UX (d) no UI at all
3. 3.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
4. 4.🖼️ In this wireframe (top to bottom), what is right below the search box?
   [ search box ]
   [ top bar ]
   [ title text ]
   [ tab bar ] (a) title text (b) top bar (c) tab bar
5. 5.True or false: how easy sign-up is is about UI (the look). (a) False (b) True
6. 6.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it saves data (c) changes are quick (d) it runs the app
7. 7.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
8. 8.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “pick an answer”? (a) tap “Start quiz” (b) pick an answer
9. 9.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) sits at the bottom
10. 10.💾 Which works with no internet at all? (a) data saved on the phone (b) a cloud leaderboard (c) a shared chat (d) a cloud backup
11. 11.Which of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) the sound on/off setting (d) a shared to-do list
12. 12.🔢 In a quiz-app flow, which comes first: “see the final score” or “tap “Start quiz””? (a) tap “Start quiz” (b) see the final score
13. 13.True or false: space between buttons is good button design. (a) True (b) False
14. 14.Which colour pair is easy to read? (a) black on pale grey (b) light grey on white (c) dark blue on black (d) yellow on white
15. 15.💾 What number does this code show?
    let lives = 8;
    lives = lives - 5;
    lives = lives + 4;
    show(lives);
16. 16.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Next button: 52 px tall
    Start button: 72 px tall
    Back button: 68 px tall
    Help button: 28 px tall (a) Help (b) Back (c) Start (d) Next
17. 17.🔢 In a sign-up flow, which comes first: “open the app” or “tap “Sign up””? (a) open the app (b) tap “Sign up”
18. 18.💾 What number does this code show?
    let songs = ["Kites", "Sunrise", "Monsoon", "Ocean"];
    songs.push("Rain");
    songs.push("Stars");
    show(songs.length);
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Caption: 14 px
    Hint: 22 px
    Menu: 21 px
    Body text: 10 px
20. 20.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ list of items ]
    [ search box ]
    [ top bar ]
    [ big picture ]
    [ Add button ] (a) Add button (b) big picture (c) list of items (d) top bar
21. 21.🌗 Is light grey on white easy or hard to read on a button? (a) hard to read (b) easy to read
22. 22.True or false: the icon shapes is about UI (the look). (a) True (b) False
23. 23.🌗 Is dark blue on black easy or hard to read on a button? (a) hard to read (b) easy to read
24. 24.💾 Where should the app save your last game level: on the phone or in the cloud? (a) on the phone (b) in the cloud
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now? (a) Chat (b) Feed (c) Video (d) Edit photo
26. 26.🎨 Is this about UI or UX: the button colours? (a) UI (b) UX
27. 27.🔢 In a sign-up flow, which comes first: “type name and email” or “tap “Sign up””? (a) tap “Sign up” (b) type name and email
28. 28.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Offers → Search → Menu → Pay
    Design B: Home → Search → Menu
29. 29.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
30. 30.🔢 In a food-order flow, what comes right after “check the cart”? (a) pick a dish (b) track the order (c) pay for the order (d) open the menu
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) type name and email (c) open the app (d) tap “Sign up”
33. 33.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ list of items ]
    [ tab bar ]
    [ search box ]
    [ title text ] (a) tab bar (b) title text (c) list of items
34. 34.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Shop → Pay → Menu → Confirm → Address
    Design B: Home → Pens → Size
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Body text: 22 px
    Label: 10 px
    Title: 28 px
    Footer: 22 px (a) Title (b) Label (c) Body text (d) Caption
36. 36.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Size → Search → Address
    Design B: Home → Confirm → Pay → Results → Pens → Item → Address (a) Design B (b) Design A
37. 37.🔢 In a food-order flow, which comes FIRST? (a) open the menu (b) track the order (c) add it to the cart (d) check the cart
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap the Home tab
    Which screen are you on now? (a) Home (b) Profile (c) Help page (d) Search
39. 39.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) check the cart (c) pay for the order (d) open the menu
40. 40.Which of these is true of a wireframe? (a) shows where things go (b) has the real colours (c) uses the final pictures (d) shows the real fonts

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