App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 58 · 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). How many taps does Design A need?
   Design A: Home → Confirm → Pens → Pay → Size → Search
   Design B: Home → Size → Menu → Results
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
3. 3.🔢 In a sign-up flow, what comes right after “tap “Sign up””? (a) make a password (b) see the home screen (c) open the app (d) type name and email
4. 4.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
   Design A: Home → Pens → Pay
   Design B: Home → Item → Offers → Size → Confirm → Search → Shop
5. 5.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
6. 6.🖼️ In this wireframe (top to bottom), what is right below the menu icon?
   [ Add button ]
   [ menu icon ]
   [ search box ]
   [ filter buttons ] (a) Add button (b) search box (c) filter buttons
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) text that can grow
8. 8.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Confirm → Menu → Size → Item
   Design B: Home → Search → Item → Menu → Size → Pay (a) Design B (b) Design A
9. 9.🔢 In a sign-up flow, which comes first: “tap “Sign up”” or “open the app”? (a) tap “Sign up” (b) open the app
10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
11. 11.💾 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
12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now? (a) Match report (b) Feed (c) Score card (d) Chat
13. 13.True or false: a big, easy tap area is good button design. (a) True (b) False
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
    Design A: Home → Pay → Menu → Results → Offers → Size → Pens
    Design B: Home → Shop → Pens
15. 15.True or false: buttons almost touching is poor button design. (a) True (b) False
16. 16.🔢 In a quiz-app flow, which comes first: “see the final score” or “pick an answer”? (a) see the final score (b) pick an answer
17. 17.🔀 What is a user flow? (a) a charging cable (b) a type of font (c) the path through screens (d) a colour theme
18. 18.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) it saves data (d) changes are quick
19. 19.🔍 Which is the odd one out? (a) how many taps it takes (b) how easy sign-up is (c) the theme colours (d) whether users get lost
20. 20.True or false: photos on two devices fits saving on the phone. (a) False (b) True
21. 21.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
22. 22.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Address → Search → Results → Offers
    Design B: Home → Menu → Cart → Item → Search → Pens (a) Design A (b) Design B
23. 23.💾 What does this code show? (Positions start at 0.)
    let friends = ["Riya", "Aman", "Meera", "Zoya", "Kabir"];
    show(friends[0]); (a) Aman (b) Meera (c) Riya (d) Zoya
24. 24.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
25. 25.🔢 In a sign-up flow, what comes right after “enter the code sent”? (a) tap “Sign up” (b) open the app (c) see the home screen (d) type name and email
26. 26.Which of these is true of a final design? (a) looks like the real app (b) is a quick sketch (c) has no real colours (d) uses plain grey boxes
27. 27.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) read a question (b) tap “Start quiz” (c) see if it is right (d) see the final score
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Match report”
    4. open “Match report”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🔀 A screen with no way forward or back is called a ___. (a) dead end (b) home screen (c) tab bar (d) shortcut
31. 31.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Address → Item
    Design B: Home → Item → Pens → Results → Menu → Cart
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Score card”
    4. open “Score card”
    Which screen are you on now? (a) Score card (b) Home (c) Edit photo (d) Search
33. 33.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 24 px tall. How many px taller must it be?
34. 34.💾 What does this code show? (Positions start at 0.)
    let songs = ["Monsoon", "Kites", "Ocean", "Rain", "Sunrise"];
    show(songs[4]); (a) Kites (b) Ocean (c) Monsoon (d) Sunrise
35. 35.🔢 In a sign-up flow, which comes first: “see the home screen” or “type name and email”? (a) see the home screen (b) type name and email
36. 36.Which colour pair is hard to read? (a) white on dark green (b) black on yellow (c) black on pale grey (d) dark blue on black
37. 37.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) pick an answer (c) see if it is right (d) read a question
38. 38.🔍 Which is the odd one out? (a) how users feel after (b) how easy sign-up is (c) the screen layout (d) how many taps it takes
39. 39.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ search box ]
    [ list of items ]
    [ Add button ]
    [ filter buttons ]
40. 40.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Item → Menu
    Design B: Home → Address → Cart → Results

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