App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 593 · 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.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
2. 2.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 20 px
   Footer: 13 px
   Title: 14 px
   Hint: 11 px
4. 4.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
5. 5.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Search → Shop
   Design B: Home → Offers → Item → Confirm → Results → Size (a) Design A (b) Design B
6. 6.🔢 In a sign-up flow, which comes FIRST? (a) enter the code sent (b) tap “Sign up” (c) open the app (d) see the home screen
7. 7.Which colour pair is hard to read? (a) black on pale grey (b) black on yellow (c) yellow on white (d) dark blue on white
8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
9. 9.💾 Where should the app save your last game level: on the phone or in the cloud? (a) in the cloud (b) on the phone
10. 10.🖼️ In this wireframe (top to bottom), what is right above the big picture?
    [ Add button ]
    [ big picture ]
    [ title text ]
    [ top bar ] (a) top bar (b) Add button (c) title text
11. 11.Which of these is true of a final design? (a) is a quick sketch (b) uses plain grey boxes (c) has no real colours (d) has the real colours
12. 12.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Size → Shop
    Design B: Home → Size → Confirm → Search (a) Design A (b) Design B
13. 13.💾 What is a variable? (a) a phone setting (b) a type of screen (c) a picture (d) a named box for a value
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Hint: 22 px
    Body text: 24 px (a) Hint (b) Caption (c) Body text
15. 15.True or false: the icon shapes is about UI (the look). (a) True (b) False
16. 16.Which colour pair is hard to read? (a) white on dark green (b) black on yellow (c) dark blue on white (d) red on green
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    Which screen are you on now? (a) Friend list (b) Home (c) Profile (d) Edit photo
18. 18.✏️ What is a wireframe? (a) a charging cable (b) a type of password (c) the finished app (d) a simple screen sketch
19. 19.Which colour pair is hard to read? (a) black on pale grey (b) white on dark green (c) black on yellow (d) dark blue on black
20. 20.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a wireframe (b) a final design
21. 21.Which of these fits saving on the phone? (a) photos on two devices (b) your last game level (c) a class leaderboard (d) chat messages to friends
22. 22.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ Add button ]
    [ menu icon ]
    [ tab bar ]
    [ list of items ]
    [ filter buttons ] (a) menu icon (b) filter buttons (c) tab bar (d) Add button
23. 23.Which colour pair is hard to read? (a) black on yellow (b) white on black (c) pale pink on white (d) white on dark green
24. 24.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
25. 25.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Next button: 32 px tall
    Help button: 36 px tall
    Cancel button: 64 px tall
    Save button: 48 px tall
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) labels on every icon
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. tap the Me tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.✏️ A box with a cross in a wireframe usually means ___. (a) a closed app (b) a picture goes here (c) an error (d) delete this
29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
30. 30.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 60 px tall
    Cancel button: 36 px tall
    Back button: 48 px tall (a) Cancel (b) Back (c) Start
31. 31.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) big touch targets
32. 32.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
33. 33.🔢 In a photo-post flow, which comes FIRST? (a) write a caption (b) open the camera screen (c) add a filter (d) take the photo
34. 34.💾 What does this code show? (Positions start at 0.)
    let notes = ["Music", "Science", "Hindi"];
    show(notes[1]); (a) Music (b) Hindi (c) Science
35. 35.🎨 Is this about UI or UX: how users feel after? (a) UX (b) UI
36. 36.🖼️ In this wireframe (top to bottom), what is right above the menu icon?
    [ Save button ]
    [ menu icon ]
    [ big picture ]
    [ title text ] (a) big picture (b) title text (c) Save button
37. 37.💾 Data saved only on the phone is lost when ___. (a) the app is closed (b) you send a message (c) the phone is lost (d) the screen turns off
38. 38.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a type of font (d) a charging cable
39. 39.🖼️ In this wireframe (top to bottom), what is right above the list of items?
    [ top bar ]
    [ Add button ]
    [ search box ]
    [ list of items ]
    [ big picture ]
    [ Save button ] (a) search box (b) big picture (c) Add button (d) top bar
40. 40.🖼️ In this wireframe (top to bottom), what is right below the search box?
    [ top bar ]
    [ search box ]
    [ big picture ]
    [ Save button ]
    [ Add button ] (a) Add button (b) big picture (c) Save button (d) top bar

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