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

Updated: Nov 25, 2024

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

1 Comment

Diana Malets
Diana Malets
Apr 24

Understanding how the World Wide Web works is fundamental, but it’s also fascinating to see how modern web applications are actually delivered to users today. To keep up with the speed of the internet, most professional platforms rely on ci/cd consulting services https://apprecode.com/services/ci-cd-consulting to automate their deployment processes. This ensures that new features and security updates are integrated seamlessly into the web infrastructure without disrupting the user experience, which is a perfect real-world application of the networking concepts mentioned in these notes.

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