App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 262 · 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.True or false: a final design has no real colours. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 18 px
   Title: 13 px
   Footer: 21 px (a) Title (b) Hint (c) Footer
3. 3.🔘 Our rule: buttons are at least 48 px tall. The Save button is 20 px tall. How many px taller must it be?
4. 4.💾 What number does this code show?
   let songs = ["Sunrise", "Stars", "Rain", "Kites"];
   songs.push("Ocean");
   show(songs.length);
5. 5.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
6. 6.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
   [ list of items ]
   [ big picture ]
   [ Save button ]
   [ menu icon ]
   [ top bar ]
   [ title text ] (a) list of items (b) title text (c) Save button (d) big picture
7. 7.🖼️ How many parts (boxes) does this wireframe have?
   [ big picture ]
   [ Add button ]
   [ filter buttons ]
   [ title text ]
8. 8.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
9. 9.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Start button: 40 px tall
   Help button: 64 px tall
   Next button: 48 px tall
   Save button: 48 px tall (a) Help (b) Next (c) Start (d) Save
10. 10.✏️ What is the easiest way to draw a first wireframe? (a) pencil and paper (b) a phone case (c) a 3D printer (d) a microphone
11. 11.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) tab bar (c) home screen (d) shortcut
12. 12.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
13. 13.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) add a filter (b) write a caption (c) post the photo (d) take the photo
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now? (a) Lessons (b) Video (c) Quiz (d) Edit photo
15. 15.Which of these is about UI (the look)? (a) how easy sign-up is (b) how fast a task is done (c) the font size (d) how many taps it takes
16. 16.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
17. 17.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
18. 18.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Confirm → Shop → Item → Pay → Size → Cart
    Design B: Home → Size → Address → Results
19. 19.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) see the home screen (b) tap “Sign up” (c) make a password (d) type name and email
20. 20.💾 Which can hold many values in order? (a) a list (b) a switch (c) a single number (d) a button
21. 21.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Confirm → Menu → Shop → Pens → Results
    Design B: Home → Confirm → Results → Pay → Item (a) Design A (b) Design B
22. 22.🔢 In a photo-post flow, what comes right after “add a filter”? (a) open the camera screen (b) take the photo (c) write a caption (d) post the photo
23. 23.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Help button: 32 px tall
    Next button: 32 px tall
    Save button: 56 px tall
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now? (a) Home (b) Map (c) Badges (d) Search
25. 25.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
26. 26.💾 What number does this code show?
    let songs = ["Ocean", "Stars", "Kites"];
    songs.push("Rain");
    show(songs.length);
27. 27.🔀 What is a user flow? (a) a type of font (b) a charging cable (c) a colour theme (d) the path through screens
28. 28.🎨 Is this about UI or UX: how easy sign-up is? (a) UI (b) UX
29. 29.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
30. 30.✏️ Do wireframes usually show the final colours? (a) Yes (b) No
31. 31.🎨 Is this about UI or UX: how fast a task is done? (a) UI (b) UX
32. 32.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) see if it is right (c) see the final score (d) tap “Start quiz”
33. 33.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
34. 34.✏️ Is this true of a wireframe or of a final design: shows where things go? (a) a wireframe (b) a final design
35. 35.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Footer: 16 px
    Body text: 24 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 14 px
    Label: 16 px (a) Label (b) Title (c) Body text
38. 38.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Results → Search → Pay → Shop → Menu
    Design B: Home → Pens → Confirm → Results (a) Design B (b) Design A
39. 39.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Item
    Design B: Home → Size → Results → Pens → Offers → Cart → Shop (a) Design A (b) Design B
40. 40.True or false: a wireframe shows where things go. (a) False (b) True

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