The Internet vs. The Web

Summary

This video from the Web Dev Cave explores the origins and workings of the internet and the web. It delves into the 1960s when ARPA funded research for computer interconnectivity, leading to the creation of the first network. The script explains how the internet evolved from a research network to a global system of interconnected networks using TCP/IP protocols. It distinguishes the internet as a platform for various services, including the web, which is a system for accessing interconnected resources through web pages and browsers. The tutorial aims to clarify the difference between the internet and the web, setting the stage for further in-depth discussions.

Takeaways

• 🌐 The internet is a global network of interconnected networks, allowing communication and data exchange between devices.
• 🔍 The World Wide Web (web) is a service built on top of the internet, enabling users to access and share resources like documents, images, and videos.
• 💡 The term 'network' refers to a group of two or more computer systems connected for communication and data exchange.
• 📚 The 1960s saw the creation of the first network, funded by ARPA to connect computers for academic and scientific purposes.
• 🔗 The need to interconnect different networks led to the development of the TCP/IP protocols, which are the foundation of the modern internet.
• 🌐 The internet is a collection of various types of networks, including private, public, academic, and government networks.
• 🌐 Internet services such as mobile apps, email, file sharing, and online gaming are built on top of the internet's infrastructure.
• 🌐 Web browsers like Chrome, Internet Explorer, Firefox, and Safari are used to access web resources and pages.
• 📝 Web pages are created using HTML for structure, CSS for styling, and scripting languages for interactivity.
• 🔑 Uniform Resource Identifiers (URIs) are used to reference resources on the web, allowing for easy access and navigation.

Q & A

What was the primary purpose of the ARPA-funded research in the 1960s?

The primary purpose was to develop protocols that would allow computers to interconnect with each other using digital communication, regardless of geographical location.

What is the significance of the TCP/IP protocol suite in the development of the internet?

TCP/IP is a global, unique set of protocols that enabled the interconnection of different networks, which was essential for the creation and growth of the internet.

What is a network in the context of the script?

A network is a group of two or more computer systems interconnected for the purpose of communication and data exchange.

How does the script define the internet?

The internet is defined as a global inter-network, consisting of millions of interconnected networks from various sectors such as private, public, academic, and government.

What are some of the services built on top of the internet mentioned in the script?

Some services built on top of the internet include mobile apps, electronic mail, file sharing, the worldwide web, online games, and internet telephony.

What is the worldwide web, as described in the script?

The worldwide web is a system that interconnects resources on the internet, such as documents, images, videos, and more, via hyperlinks and is accessed through web browsers.

What are the three main technologies used to create web pages according to the script?

The three main technologies used to create web pages are HTML for structuring, CSS for styling, and scripting languages to add interactivity.

How are web pages and websites differentiated in the script?

Web pages are individual pages accessed through the web, while websites are structured, interrelated groups of web pages.

What role do web browsers play in accessing web resources?

Web browsers are programs like Chrome, Internet Explorer, Firefox, and Safari that allow users to access and view web resources, typically presented in the form of web pages or websites.

Why was the distinction between the internet and the web important to clarify in the script?

Clarifying the distinction between the internet and the web is important to understand that the internet is a global network of networks that supports various services, including the worldwide web, which is a system for accessing interconnected resources.