App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 710 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Map”
   2. tap Back
   3. open “Score card”
   4. tap the Chat tab
   How many times must you tap Back to reach the main screen of this tab?
2. 2.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
   Design A: Home → Results → Pens → Confirm
   Design B: Home → Offers → Item
3. 3.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
4. 4.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
   Design A: Home → Cart → Address → Item → Offers
   Design B: Home → Pens → Item → Pay → Cart → Confirm → Results (a) Design A (b) Design B
5. 5.🔍 Which is the odd one out? (a) the theme colours (b) how many taps it takes (c) whether users get lost (d) how fast a task is done
6. 6.Which of these fits saving in the cloud? (a) notes to read offline (b) your last game level (c) a class leaderboard (d) a draft you are typing
7. 7.🎨 UI stands for user ___. (a) internet (b) idea (c) input (d) interface
8. 8.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) hides extra links (d) sits at the bottom
9. 9.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
10. 10.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Offers → Address → Pens → Shop → Menu
    Design B: Home → Address → Item
11. 11.Which of these fits saving in the cloud? (a) notes to read offline (b) a shared to-do list (c) the sound on/off setting (d) your last game level
12. 12.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Title: 26 px
    Hint: 23 px
    Caption: 20 px
    Footer: 11 px (a) Title (b) Footer (c) Hint (d) Menu
14. 14.💾 pop() takes off the last item. What does this code show?
    let notes = ["Sports", "Science", "Hindi", "Maths"];
    notes.pop();
    show(notes[notes.length - 1]); (a) Maths (b) Hindi (c) Sports (d) Science
15. 15.✏️ Is this true of a wireframe or of a final design: is a quick sketch? (a) a final design (b) a wireframe
16. 16.🔀 In a good flow, each screen should lead to ___. (a) a clear next step (b) a random page (c) the same screen (d) a dead end
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
19. 19.🖼️ How many parts (boxes) does this wireframe have?
    [ Save button ]
    [ title text ]
    [ Add button ]
    [ search box ]
20. 20.🔍 Which is the odd one out? (a) the screen layout (b) the button colours (c) how easy sign-up is (d) the theme colours
21. 21.Which of these is true of a final design? (a) uses plain grey boxes (b) shows where things go (c) has no real colours (d) looks like the real app
22. 22.🔍 Which is the odd one out? (a) the screen layout (b) how users feel after (c) the icon shapes (d) the theme colours
23. 23.🔢 In a quiz-app flow, what comes right after “pick an answer”? (a) see the final score (b) tap “Start quiz” (c) read a question (d) see if it is right
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Hint: 21 px
    Label: 20 px
26. 26.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
27. 27.✏️ A box with a cross in a wireframe usually means ___. (a) a picture goes here (b) delete this (c) a closed app (d) an error
28. 28.💾 What number does this code show?
    let score = 7;
    score = score - 1;
    score = score + 2;
    show(score);
29. 29.🖼️ In this wireframe (top to bottom), what is right above the filter buttons?
    [ search box ]
    [ Add button ]
    [ filter buttons ]
    [ title text ]
    [ Save button ] (a) search box (b) Add button (c) title text (d) Save button
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Offers → Pay → Shop
    Design B: Home → Item → Pens → Pay → Results → Shop → Address (a) Design B (b) Design A
31. 31.🎨 Is this about UI or UX: how many taps it takes? (a) UX (b) UI
32. 32.Which colour pair is hard to read? (a) white on dark green (b) yellow on white (c) white on black (d) black on yellow
33. 33.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
34. 34.Which of these fits saving on the phone? (a) a shared to-do list (b) photos on two devices (c) a class leaderboard (d) a draft you are typing
35. 35.🔢 In a sign-up flow, which comes first: “type name and email” or “tap “Sign up””? (a) tap “Sign up” (b) type name and email
36. 36.True or false: space between buttons is poor button design. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) big touch targets (d) labels on every icon
38. 38.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a type of font (d) a charging cable
39. 39.🔢 In a quiz-app flow, what comes right after “see if it is right”? (a) tap “Start quiz” (b) read a question (c) see the final score (d) pick an answer
40. 40.🔢 In a sign-up flow, which comes FIRST? (a) make a password (b) open the app (c) enter the code sent (d) see the home screen

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students