App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 983 · 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.🖼️ How many parts (boxes) does this wireframe have?
   [ Add button ]
   [ tab bar ]
   [ Save button ]
   [ list of items ]
   [ search box ]
2. 2.✏️ Is this true of a wireframe or of a final design: shows the real fonts? (a) a wireframe (b) a final design
3. 3.True or false: the theme colours is about UX (the experience). (a) True (b) False
4. 4.💾 What number does this code show?
   let points = 7;
   points = points - 2;
   points = points + 4;
   show(points);
5. 5.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.👆 Two designs for the same task (each arrow is one tap). How many taps does Design B need?
   Design A: Home → Shop → Cart → Pay → Search → Offers
   Design B: Home → Item → Pay → Shop → Size
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. open “Match report”
   3. open “Edit photo”
   4. tap Back
   Which screen are you on now? (a) Edit photo (b) Match report (c) Home (d) Help page
8. 8.✏️ Is this true of a wireframe or of a final design: uses the final pictures? (a) a final design (b) a wireframe
9. 9.True or false: the screen layout is about UX (the experience). (a) True (b) False
10. 10.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ list of items ]
    [ search box ]
    [ Save button ]
    [ top bar ]
11. 11.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ Add button ]
    [ tab bar ]
    [ top bar ]
    [ search box ]
    [ filter buttons ]
    [ big picture ] (a) big picture (b) tab bar (c) Add button (d) filter buttons
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) big touch targets (d) strong colour contrast
15. 15.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
16. 16.🔀 Why plan the user flow before building? (a) to add more taps (b) so each step is clear (c) to hide the buttons (d) to skip testing
17. 17.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Address → Menu → Search → Pay → Results → Size
    Design B: Home → Pens → Cart → Menu → Size → Results
18. 18.🎨 UX stands for user ___. (a) extra (b) example (c) experience (d) express
19. 19.🔢 In a sign-up flow, which comes FIRST? (a) see the home screen (b) type name and email (c) enter the code sent (d) open the app
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
21. 21.Which of these is true of a final design? (a) has no real colours (b) looks like the real app (c) is a quick sketch (d) uses plain grey boxes
22. 22.🖼️ In this wireframe (top to bottom), what is right above the Add button?
    [ search box ]
    [ top bar ]
    [ Add button ]
    [ tab bar ]
    [ title text ] (a) title text (b) top bar (c) search box (d) tab bar
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) strong colour contrast (d) icons with no labels
26. 26.💾 Data saved only on the phone is lost when ___. (a) the screen turns off (b) the app is closed (c) you send a message (d) the phone is lost
27. 27.💾 What number does this code show?
    let score = 4;
    score = score - 1;
    score = score + 2;
    show(score);
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Caption: 19 px
    Footer: 24 px
    Body text: 28 px
    Hint: 14 px (a) Hint (b) Caption (c) Menu (d) Footer
29. 29.Which colour pair is hard to read? (a) black on pale grey (b) dark blue on white (c) light grey on white (d) black on yellow
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Friend list (d) Badges
31. 31.🖼️ In this wireframe (top to bottom), what is right below the top bar?
    [ filter buttons ]
    [ menu icon ]
    [ top bar ]
    [ list of items ]
    [ Save button ] (a) menu icon (b) list of items (c) Save button (d) filter buttons
32. 32.🔢 In a sign-up flow, which comes LAST? (a) type name and email (b) enter the code sent (c) see the home screen (d) open the app
33. 33.Which of these is about UX (the experience)? (a) the screen layout (b) the button colours (c) the theme colours (d) how easy sign-up is
34. 34.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ big picture ]
    [ title text ]
    [ Add button ]
    [ tab bar ]
    [ filter buttons ] (a) filter buttons (b) title text (c) big picture (d) Add button
35. 35.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
36. 36.💾 What does this code show? (Positions start at 0.)
    let friends = ["Arjun", "Riya", "Aman"];
    show(friends[2]); (a) Riya (b) Aman (c) Arjun
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Score card”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) labels on every icon (d) fast-flashing lights
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Hint: 21 px
    Footer: 14 px
    Title: 13 px
    Label: 11 px
40. 40.Which of these fits saving on the phone? (a) chat messages to friends (b) a class leaderboard (c) the sound on/off setting (d) a shared to-do list

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