Leaving Certificate Computer Science Notes: The Internet & The World Wide Web

Keywords: Leaving Certificate study notes, Leaving Certificate Computer Science notes, The Internet, World Wide Web, Leaving Certificate, Computer Science, Web Technologies, Internet Protocols, Web Development, Online Communication, HTTP/HTTPS, Network Architecture

Key Lessons from "The Internet & The World Wide Web" – Leaving Certificate Computer Science

• Understanding the Internet: The Internet connects billions of devices globally, including computers, TVs, cars, and other IoT (Internet of Things) devices, using various communication methods such as wires and wireless signals.

• The World Wide Web: The Web, created by Sir Tim Berners-Lee in 1989, is a collection of interconnected files like web pages, images, and videos, all linked through hyperlinks.

• Key Web Technologies: Essential web technologies include HTML for structuring web content, web browsers for accessing websites, and URLs as unique addresses for online resources.

• Challenges of the Web: Tim Berners-Lee highlights issues such as the spread of misinformation, the loss of control over personal data, and privacy concerns stemming from widespread data collection.

• Networking & Communication Protocols: The Internet relies on various protocols, such as HTTP, HTTPS, TCP, and IP, to ensure reliable and secure communication between devices.

Important Takeaways from "The Internet & The World Wide Web" – Leaving Certificate Computer Science

• The Internet is a vast global network connecting billions of devices, including computers, smartphones, and IoT devices, using technologies like fiber optics, wireless satellites, and microwave links.

• The World Wide Web is a network of interconnected documents and media, created by Sir Tim Berners-Lee in 1989. It enables users to navigate through websites and web pages via hyperlinks.

• Core Web Technologies include HTML for web page structure, web browsers to access websites, and URLs that serve as unique addresses for resources on the Web.

• Challenges highlighted by Tim Berners-Lee include the spread of misinformation through algorithms, loss of personal data control, and privacy concerns due to widespread data collection practices.

• Communication Protocols like HTTP, HTTPS, TCP, and IP ensure seamless and secure data transmission across the Internet, facilitating communication between clients and servers.

Keywords: The Internet, World Wide Web, Leaving Certificate, Computer Science, Web Technologies, Internet Protocols, Web Development, Online Communication, HTTP/HTTPS, Network Architecture