Web Fundamentals

1. What is HTML primarily used for?

Structuring and giving meaning to web content

2. What is CSS primarily used for?

Styling and laying out web content

3. What is JavaScript primarily used for in a web page?

Programming behavior and interactivity

4. What does URL stand for?

Uniform Resource Locator

5. What does HTTP stand for?

Hypertext Transfer Protocol

6. What does HTTPS add to HTTP?

Encrypted and authenticated transport using TLS

7. What is a web browser?

Software that retrieves and presents web resources

8. What is a web server?

Software or a system that responds to web requests

9. What does DNS translate domain names into?

IP addresses

10. What is an HTML element?

A component represented by tags and its content

11. What is an HTML attribute?

Additional information placed on an element's start tag

12. What is the DOM?

A programming representation of a document as a tree of objects

13. What does a CSS selector do?

Targets elements to receive style rules

14. Why should images have meaningful alt text when they convey information?

To provide a text alternative for users who cannot see the image

15. Why use semantic HTML?

It conveys structure and meaning to browsers and assistive technologies