High Level Structure

Question 1

What are the main components of the browser?

Answer 1

• User interface
• Browser engine
• Rendering engine
• Networking
• UI backend
• JavaScript interpreter
• Data storage

Question 2

Mention some components of the browser’s user interface.

Answer 2

• Address bar
• Back/forward button
• Bookmarking menu
• Refresh and stop buttons
• Home button

Question 3

What is the function of the browser engine?

Answer 3

To communicate the UI with the rendering engine.

Question 4

What is the function of the rendering engine?

Answer 4

To display the requested content (for example, parsing and displaying HTML and CSS).

Question 5

What is the function of the networking component?

Answer 5

Handle network functionalities like HTTP requests, responses, etc.

Question 6

What is the function of the UI backend?

Answer 6

To draw basic widgets like combo boxes and windows by exposing an API.

Question 7

What is the function of the JavaScript interpreter?

Answer 7

To parse and execute JavaScript code.

Question 8

What is the function of the data storage?

Answer 8

To save all sorts of data locally, such as cookies.

Question 9

Mention some of the existing rendering engines.

Answer 9

• Trident
• Gecko
• WebKit
• Blink