App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 489 · 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.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on white (c) yellow on white (d) white on dark green
2. 2.🔢 In a photo-post flow, which comes LAST? (a) take the photo (b) post the photo (c) write a caption (d) open the camera screen
3. 3.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
4. 4.🎨 UI stands for user ___. (a) input (b) internet (c) interface (d) idea
5. 5.🖼️ In this wireframe (top to bottom), what is right below the search box?
   [ search box ]
   [ filter buttons ]
   [ title text ]
   [ list of items ]
   [ tab bar ]
   [ big picture ] (a) list of items (b) title text (c) filter buttons (d) big picture
6. 6.🖼️ In this wireframe (top to bottom), what is right below the tab bar?
   [ menu icon ]
   [ Save button ]
   [ search box ]
   [ tab bar ]
   [ title text ] (a) Save button (b) search box (c) title text (d) menu icon
7. 7.✏️ What is a wireframe? (a) the finished app (b) a simple screen sketch (c) a type of password (d) a charging cable
8. 8.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
   Cancel button: 64 px tall
   Back button: 48 px tall
   Start button: 52 px tall
9. 9.🖼️ How many parts (boxes) does this wireframe have?
   [ tab bar ]
   [ menu icon ]
   [ title text ]
   [ Save button ]
10. 10.Which colour pair is easy to read? (a) red on green (b) pale pink on white (c) black on yellow (d) dark blue on black
11. 11.🎨 Who should you test the UX with? (a) nobody (b) real users (c) the app icon (d) only yourself
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ tab bar ]
    [ top bar ]
    [ filter buttons ]
    [ big picture ]
    [ Save button ]
13. 13.🔢 In a quiz-app flow, what comes right after “tap “Start quiz””? (a) see the final score (b) see if it is right (c) read a question (d) pick an answer
14. 14.🎨 A beautiful app that confuses everyone has ___. (a) no UI at all (b) good UI but poor UX (c) good UX but poor UI (d) perfect UX
15. 15.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) your last game level (d) chat messages to friends
16. 16.True or false: a final design has the real colours. (a) False (b) True
17. 17.True or false: a wireframe uses the final pictures. (a) False (b) True
18. 18.🔘 Is this good or poor button design: icons with no meaning? (a) poor design (b) good design
19. 19.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
20. 20.🔢 In a photo-post flow, what comes right after “open the camera screen”? (a) take the photo (b) add a filter (c) post the photo (d) write a caption
21. 21.Which of these fits saving on the phone? (a) a class leaderboard (b) a draft you are typing (c) photos on two devices (d) chat messages to friends
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Caption: 10 px
    Footer: 22 px
    Label: 20 px
    Menu: 16 px
23. 23.Which of these is true of a final design? (a) shows where things go (b) has no real colours (c) uses plain grey boxes (d) looks like the real app
24. 24.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
25. 25.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Cart → Address
    Design B: Home → Offers → Menu → Item → Cart → Address → Shop (a) Design A (b) Design B
26. 26.🔀 A screen with no way forward or back is called a ___. (a) tab bar (b) dead end (c) home screen (d) shortcut
27. 27.💾 What number does this code show?
    let lives = 4;
    lives = lives - 4;
    lives = lives + 4;
    show(lives);
28. 28.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
29. 29.🔢 In a photo-post flow, which comes first: “post the photo” or “add a filter”? (a) add a filter (b) post the photo
30. 30.🔍 Which is the odd one out? (a) the button colours (b) the screen layout (c) the font size (d) how fast a task is done
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pay → Confirm → Pens → Item → Menu
    Design B: Home → Menu → Confirm → Size → Offers
32. 32.💾 What number does this code show?
    let notes = ["Science", "Sports", "Maths", "Hindi"];
    notes.push("Music");
    show(notes.length);
33. 33.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
34. 34.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 32 px tall. How many px taller must it be?
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
36. 36.True or false: a final design has no real colours. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) big touch targets (d) icons with no labels
38. 38.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
39. 39.🔘 Is this good or poor button design: buttons almost touching? (a) poor design (b) good design
40. 40.Which of these is true of a wireframe? (a) has the real colours (b) looks like the real app (c) uses the final pictures (d) uses plain grey boxes

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