App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 500 · 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.🔢 In a quiz-app flow, what comes right after “read a question”? (a) see the final score (b) tap “Start quiz” (c) pick an answer (d) see if it is right
2. 2.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
   [ list of items ]
   [ top bar ]
   [ Add button ]
   [ Save button ]
   [ filter buttons ]
   [ menu icon ] (a) menu icon (b) top bar (c) filter buttons (d) list of items
3. 3.🔢 In a quiz-app flow, which comes first: “see if it is right” or “read a question”? (a) see if it is right (b) read a question
4. 4.Which colour pair is easy to read? (a) yellow on white (b) white on dark green (c) light grey on white (d) pale pink on white
5. 5.✏️ Why draw a wireframe before coding? (a) it adds colours (b) it runs the app (c) changes are quick (d) it saves data
6. 6.🖼️ How many parts (boxes) does this wireframe have?
   [ Add button ]
   [ Save button ]
   [ big picture ]
   [ search box ]
7. 7.🖼️ In this wireframe (top to bottom), what is right below the list of items?
   [ title text ]
   [ list of items ]
   [ Save button ]
   [ search box ] (a) title text (b) Save button (c) search box
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Hint: 23 px
   Title: 18 px
   Caption: 21 px
   Menu: 13 px
9. 9.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) so anyone can follow (d) to hide the sound
10. 10.True or false: how many taps it takes is about UX (the experience). (a) False (b) True
11. 11.🔢 In a sign-up flow, what comes right after “open the app”? (a) see the home screen (b) type name and email (c) make a password (d) tap “Sign up”
12. 12.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Search → Offers → Menu
    Design B: Home → Results → Shop (a) Design A (b) Design B
14. 14.🔀 Why plan the user flow before building? (a) to add more taps (b) to hide the buttons (c) so each step is clear (d) to skip testing
15. 15.🔢 In a photo-post flow, which comes first: “take the photo” or “open the camera screen”? (a) open the camera screen (b) take the photo
16. 16.✏️ Is this true of a wireframe or of a final design: uses plain grey boxes? (a) a final design (b) a wireframe
17. 17.🔀 What is a user flow? (a) a type of font (b) a colour theme (c) the path through screens (d) a charging cable
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Pens → Size
    Design B: Home → Pay → Address → Menu
20. 20.🔢 In a food-order flow, which comes first: “open the menu” or “track the order”? (a) track the order (b) open the menu
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
22. 22.✏️ Is this true of a wireframe or of a final design: has the real colours? (a) a wireframe (b) a final design
23. 23.💾 Where should the app save chat messages to friends: on the phone or in the cloud? (a) in the cloud (b) on the phone
24. 24.🔢 In a sign-up flow, which comes LAST? (a) see the home screen (b) tap “Sign up” (c) open the app (d) type name and email
25. 25.Which of these is about UI (the look)? (a) how easy sign-up is (b) whether users get lost (c) the font size (d) how fast a task is done
26. 26.🔘 Our rule: buttons are at least 48 px tall. The Cancel button is 32 px tall. How many px taller must it be?
27. 27.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: a big, easy tap area is good button design. (a) False (b) True
29. 29.🔢 In a quiz-app flow, which comes first: “see if it is right” or “tap “Start quiz””? (a) tap “Start quiz” (b) see if it is right
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Results → Cart → Confirm → Menu → Shop
    Design B: Home → Shop → Results (a) Design B (b) Design A
31. 31.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
32. 32.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Shop → Pens → Cart → Results → Offers
    Design B: Home → Pens → Menu (a) Design B (b) Design A
33. 33.Which colour pair is hard to read? (a) black on yellow (b) black on pale grey (c) dark blue on white (d) pale pink on white
34. 34.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ top bar ]
    [ Save button ]
    [ tab bar ]
    [ filter buttons ]
    [ Add button ] (a) top bar (b) Add button (c) Save button (d) tab bar
35. 35.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) hides extra links
36. 36.🌗 Is dark blue on white easy or hard to read on a button? (a) hard to read (b) easy to read
37. 37.✏️ Is this true of a wireframe or of a final design: has no real colours? (a) a wireframe (b) a final design
38. 38.💾 What does this code show? (Positions start at 0.)
    let notes = ["Sports", "Science", "Maths", "Hindi", "Art"];
    show(notes[2]); (a) Maths (b) Science (c) Hindi (d) Sports
39. 39.🔍 Which is the odd one out? (a) how fast a task is done (b) the theme colours (c) whether users get lost (d) how users feel after
40. 40.🔘 Our rule: buttons are at least 48 px tall. The Help button is 32 px tall. How many px taller must it be?

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