App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 225 · 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.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ search box ]
   [ big picture ]
   [ title text ]
   [ Add button ] (a) big picture (b) search box (c) Add button (d) title text
3. 3.✏️ What is a wireframe? (a) a charging cable (b) a simple screen sketch (c) the finished app (d) a type of password
4. 4.True or false: grey text on grey is good button design. (a) False (b) True
5. 5.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) colour as the only clue (d) icons with no labels
6. 6.Which of these fits saving on the phone? (a) photos on two devices (b) a class leaderboard (c) your last game level (d) chat messages to friends
7. 7.🖼️ In this wireframe (top to bottom), what is right below the Add button?
   [ Add button ]
   [ title text ]
   [ menu icon ]
   [ Save button ] (a) title text (b) Save button (c) menu icon
8. 8.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) tap “Start quiz” (c) see the final score (d) see if it is right
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 22 px
   Hint: 11 px
   Title: 17 px
   Body text: 22 px
10. 10.🎨 Is this about UI or UX: the icon shapes? (a) UI (b) UX
11. 11.🔘 Is this good or poor button design: icons with no meaning? (a) good design (b) poor design
12. 12.🖼️ How many parts (boxes) does this wireframe have?
    [ search box ]
    [ top bar ]
    [ tab bar ]
    [ list of items ]
13. 13.🔢 In a food-order flow, which comes first: “pay for the order” or “track the order”? (a) pay for the order (b) track the order
14. 14.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ Add button ]
    [ title text ]
    [ search box ]
    [ filter buttons ]
    [ tab bar ] (a) Add button (b) menu icon (c) search box (d) tab bar
15. 15.💾 Where should the app save photos on two devices: on the phone or in the cloud? (a) on the phone (b) in the cloud
16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
17. 17.🔢 In a quiz-app flow, which comes first: “read a question” or “see the final score”? (a) see the final score (b) read a question
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Shop → Address → Size → Results
    Design B: Home → Shop → Menu
20. 20.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Offers → Menu → Shop
    Design B: Home → Pens → Pay → Item → Address → Cart → Search
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
22. 22.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Pay → Confirm → Shop → Offers
    Design B: Home → Address → Pay → Pens → Item → Search → Shop
23. 23.🌗 Is red on green easy or hard to read on a button? (a) easy to read (b) hard to read
24. 24.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) it saves data (d) changes are quick
25. 25.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a final design (b) a wireframe
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now? (a) Match report (b) Map (c) Edit photo (d) Feed
27. 27.🔢 In a food-order flow, which comes first: “open the menu” or “track the order”? (a) open the menu (b) track the order
28. 28.🔢 In a quiz-app flow, which comes first: “tap “Start quiz”” or “read a question”? (a) read a question (b) tap “Start quiz”
29. 29.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ tab bar ]
    [ search box ]
    [ Add button ] (a) top bar (b) tab bar (c) Add button (d) search box
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Menu: 14 px
    Footer: 23 px
    Hint: 11 px
31. 31.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Cancel button: 32 px tall
    Back button: 48 px tall
    Save button: 60 px tall
32. 32.🔍 Which is the odd one out? (a) how fast a task is done (b) the icon shapes (c) how easy sign-up is (d) how many taps it takes
33. 33.💾 pop() takes off the last item. What does this code show?
    let friends = ["Aman", "Zoya", "Kabir", "Arjun", "Riya"];
    friends.pop();
    show(friends[friends.length - 1]); (a) Kabir (b) Zoya (c) Aman (d) Arjun
34. 34.True or false: a final design shows where things go. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) how users feel after (b) the button colours (c) the icon shapes (d) the screen layout
36. 36.Which of these is about UX (the experience)? (a) the icon shapes (b) the button colours (c) the font size (d) whether users get lost
37. 37.✏️ What is the easiest way to draw a first wireframe? (a) a phone case (b) pencil and paper (c) a 3D printer (d) a microphone
38. 38.🔢 In a sign-up flow, which comes first: “open the app” or “type name and email”? (a) open the app (b) type name and email
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) captions on videos

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