App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 987 · 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.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Pay → Cart
   Design B: Home → Item → Pay → Results → Pens → Offers → Cart (a) Design B (b) Design A
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap the Home tab
   3. open “Edit photo”
   Which screen are you on now? (a) Edit photo (b) Help page (c) Search (d) Home
3. 3.✏️ A box with a cross in a wireframe usually means ___. (a) an error (b) a picture goes here (c) delete this (d) a closed app
4. 4.🔘 Is this good or poor button design: grey text on grey? (a) good design (b) poor design
5. 5.✏️ What is a wireframe? (a) a type of password (b) a charging cable (c) the finished app (d) a simple screen sketch
6. 6.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
   Send button: 36 px tall
   Help button: 48 px tall
   Save button: 60 px tall (a) Help (b) Save (c) Send
7. 7.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Search tab
   2. open “Edit photo”
   3. tap Back
   4. open “Badges”
   5. open “Map”
   Which screen are you on now? (a) Badges (b) Map (c) Edit photo (d) Home
9. 9.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ menu icon ]
   [ top bar ]
   [ Save button ]
   [ filter buttons ]
   [ search box ]
   [ title text ] (a) menu icon (b) filter buttons (c) search box (d) title text
10. 10.🔘 Is this good or poor button design: a clear word like Save? (a) good design (b) poor design
11. 11.🖼️ In this wireframe (top to bottom), what is right above the top bar?
    [ search box ]
    [ tab bar ]
    [ filter buttons ]
    [ menu icon ]
    [ top bar ]
    [ list of items ] (a) menu icon (b) list of items (c) filter buttons (d) search box
12. 12.🔀 In a good flow, each screen should lead to ___. (a) a random page (b) a dead end (c) the same screen (d) a clear next step
13. 13.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) hides extra links
14. 14.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 60 px tall
    Cancel button: 64 px tall
    Save button: 36 px tall
    Send button: 52 px tall
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Caption: 13 px
    Title: 12 px
16. 16.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ filter buttons ]
    [ menu icon ]
    [ search box ] (a) search box (b) menu icon (c) filter buttons (d) Add button
17. 17.🎨 Is this about UI or UX: the font size? (a) UI (b) UX
18. 18.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) sudden loud sounds (d) icons with no labels
19. 19.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
20. 20.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) strong colour contrast (d) big touch targets
21. 21.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
22. 22.🔘 Our rule: buttons are at least 48 px tall. Which button is too small?
    Help button: 52 px tall
    Save button: 60 px tall
    Done button: 36 px tall (a) Save (b) Help (c) Done
23. 23.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
24. 24.🔍 Which is the odd one out? (a) the screen layout (b) whether users get lost (c) the theme colours (d) the button colours
25. 25.🔢 In a food-order flow, which comes first: “track the order” or “pick a dish”? (a) track the order (b) pick a dish
26. 26.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
27. 27.Which of these fits saving in the cloud? (a) notes to read offline (b) the sound on/off setting (c) your last game level (d) photos on two devices
28. 28.🔢 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
29. 29.🔢 In a sign-up flow, what comes right after “type name and email”? (a) enter the code sent (b) open the app (c) tap “Sign up” (d) make a password
30. 30.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) how fast a task is done (d) the screen layout
31. 31.True or false: your last game level fits saving on the phone. (a) True (b) False
32. 32.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
33. 33.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ menu icon ]
    [ Save button ]
    [ title text ]
    [ Add button ]
34. 34.Which of these is about UI (the look)? (a) how many taps it takes (b) how users feel after (c) how fast a task is done (d) the icon shapes
35. 35.Which of these fits saving in the cloud? (a) a draft you are typing (b) notes to read offline (c) chat messages to friends (d) the sound on/off setting
36. 36.🎨 Is this about UI or UX: the icon shapes? (a) UX (b) UI
37. 37.💾 Which can hold many values in order? (a) a button (b) a switch (c) a single number (d) a list
38. 38.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Menu → Offers → Results
    Design B: Home → Address → Pens
39. 39.Which of these is true of a final design? (a) looks like the real app (b) shows where things go (c) has no real colours (d) is a quick sketch
40. 40.💾 What number does this code show?
    let stars = 5;
    stars = stars - 4;
    stars = stars + 2;
    show(stars);

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