App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 259 · 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 of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) switches main sections
2. 2.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) enter the code sent (c) open the app (d) type name and email
3. 3.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
4. 4.🔢 In a quiz-app flow, which comes first: “pick an answer” or “read a question”? (a) pick an answer (b) read a question
5. 5.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) take the photo (c) write a caption (d) open the camera screen
6. 6.Which of these is true of a final design? (a) is a quick sketch (b) has the real colours (c) has no real colours (d) uses plain grey boxes
7. 7.🔍 Which is the odd one out? (a) the screen layout (b) the font size (c) the icon shapes (d) how easy sign-up is
8. 8.Which of these fits saving on the phone? (a) photos on two devices (b) a shared to-do list (c) a draft you are typing (d) a class leaderboard
9. 9.🎨 Is this about UI or UX: how many taps it takes? (a) UI (b) UX
10. 10.True or false: a draft you are typing fits saving on the phone. (a) True (b) False
11. 11.Which of these is true of a final design? (a) is a quick sketch (b) has no real colours (c) looks like the real app (d) uses plain grey boxes
12. 12.🎨 Who should you test the UX with? (a) only yourself (b) the app icon (c) real users (d) nobody
13. 13.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Size → Results → Search → Menu
    Design B: Home → Pens → Item
14. 14.🌗 Is pale pink on white easy or hard to read on a button? (a) easy to read (b) hard to read
15. 15.🔢 In a sign-up flow, which comes first: “see the home screen” or “tap “Sign up””? (a) tap “Sign up” (b) see the home screen
16. 16.True or false: a wireframe uses the final pictures. (a) True (b) False
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Help page”
    Which screen are you on now? (a) Badges (b) Home (c) Search (d) Help page
18. 18.🔘 Our rule: buttons are at least 48 px tall. The Send button is 32 px tall. How many px taller must it be?
19. 19.Which colour pair is easy to read? (a) pale pink on white (b) white on black (c) dark blue on black (d) yellow on white
20. 20.🔀 Why plan the user flow before building? (a) to skip testing (b) to add more taps (c) to hide the buttons (d) so each step is clear
21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
22. 22.Which of these is about UI (the look)? (a) how fast a task is done (b) how users feel after (c) how many taps it takes (d) the icon shapes
23. 23.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
24. 24.🖼️ How many parts (boxes) does this wireframe have?
    [ filter buttons ]
    [ search box ]
    [ Add button ]
    [ Save button ]
25. 25.💾 In most code, the first item of a list is at position ___. (a) 2 (b) 1 (c) 0 (d) 10
26. 26.🔘 Our rule: buttons are at least 48 px tall. The Back button is 20 px tall. How many px taller must it be?
27. 27.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Start button: 60 px tall
    Done button: 44 px tall
    Back button: 64 px tall (a) Start (b) Done (c) Back
28. 28.Which of these is about UX (the experience)? (a) the button colours (b) how fast a task is done (c) the screen layout (d) the icon shapes
29. 29.🌗 Is dark blue on white easy or hard to read on a button? (a) easy to read (b) hard to read
30. 30.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
31. 31.🔢 In a photo-post flow, which comes first: “take the photo” or “add a filter”? (a) add a filter (b) take the photo
32. 32.💾 What number does this code show?
    let score = 5;
    score = score - 5;
    score = score + 5;
    show(score);
33. 33.🎨 UI stands for user ___. (a) internet (b) input (c) interface (d) idea
34. 34.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a wireframe (b) a final design
35. 35.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) in the cloud (b) on the phone
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Caption: 9 px
    Hint: 19 px
    Title: 20 px
    Footer: 26 px (a) Hint (b) Caption (c) Title (d) Body text
37. 37.💾 What number does this code show?
    let score = 8;
    score = score - 1;
    score = score + 5;
    show(score);
38. 38.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a dead end (c) the same screen (d) a random page
39. 39.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) fast-flashing lights (d) icons with no labels
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 36 px tall. How many px taller must it be?

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