App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 581 · 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 a food-order flow, which comes LAST? (a) check the cart (b) pick a dish (c) pay for the order (d) track the order
2. 2.Which of these is about UI (the look)? (a) the button colours (b) how easy sign-up is (c) how many taps it takes (d) how users feel after
3. 3.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
4. 4.Which of these is true of a final design? (a) has the real colours (b) shows where things go (c) has no real colours (d) is a quick sketch
5. 5.🔢 In a quiz-app flow, which comes FIRST? (a) tap “Start quiz” (b) see if it is right (c) see the final score (d) read a question
6. 6.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
7. 7.💾 Where should the app save a class leaderboard: on the phone or in the cloud? (a) on the phone (b) in the cloud
8. 8.🔢 In a sign-up flow, what comes right after “make a password”? (a) open the app (b) see the home screen (c) enter the code sent (d) type name and email
9. 9.True or false: a clear word like Save is good button design. (a) True (b) False
10. 10.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 20 px tall. How many px taller must it be?
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Feed tab
    Which screen are you on now? (a) Edit photo (b) Chat (c) Feed (d) Friend list
12. 12.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
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
14. 14.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
15. 15.🔢 In a photo-post flow, which comes first: “take the photo” or “add a filter”? (a) take the photo (b) add a filter
16. 16.💾 Which can hold many values in order? (a) a single number (b) a switch (c) a list (d) a button
17. 17.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) enter the code sent (d) see the home screen
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) text that can grow (d) sudden loud sounds
19. 19.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
21. 21.True or false: the icon shapes is about UX (the experience). (a) False (b) True
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    Which screen are you on now? (a) Search (b) Home (c) Match report (d) Badges
23. 23.💾 Where should the app save the sound on/off setting: on the phone or in the cloud? (a) on the phone (b) in the cloud
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Body text: 26 px
    Menu: 21 px (a) Body text (b) Label (c) Menu
25. 25.Which of these fits saving on the phone? (a) a class leaderboard (b) the sound on/off setting (c) chat messages to friends (d) photos on two devices
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. tap the Settings tab
    4. tap the Chat tab
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🔀 In a good flow, each screen should lead to ___. (a) a dead end (b) the same screen (c) a random page (d) a clear next step
29. 29.Which of these is about UX (the experience)? (a) the theme colours (b) whether users get lost (c) the font size (d) the icon shapes
30. 30.💾 Saving data in the cloud lets you ___. (a) never need a password (b) shrink the app (c) use it on any device (d) skip the internet
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Size → Address → Pay → Pens → Shop → Offers
    Design B: Home → Pens → Item
32. 32.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a long animation (d) a bright colour
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 26 px
    Footer: 24 px
    Caption: 24 px
    Body text: 10 px (a) Hint (b) Title (c) Footer (d) Body text
34. 34.🔢 In a sign-up flow, which comes first: “enter the code sent” or “open the app”? (a) enter the code sent (b) open the app
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 26 px
    Footer: 12 px (a) Hint (b) Footer (c) Title
36. 36.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
37. 37.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: a wireframe has no real colours. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) the font size (b) the screen layout (c) how many taps it takes (d) the icon shapes
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Title: 20 px
    Menu: 10 px (a) Label (b) Title (c) Menu

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students