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The Internet & WWW | Computer for GCSE/IGCSE - Year 11 PDF Download

Introduction

  • The terms "internet" and "world wide web" are frequently used interchangeably, despite being distinct entities.

The Internet

  • The internet encompasses the interconnected global network of computers and electronic devices facilitated by routers and servers.
  • It serves as the foundational infrastructure enabling the transmission and reception of diverse information forms like emails, instant messages, and file exchanges.
  • Additionally, the internet grants access to a spectrum of services including online gaming, video streaming, and cloud computing.

The World Wide Web

  • The web, also referred to as the World Wide Web, is a vast collection of interconnected websites and web pages that users can access using the internet.
  • Tim Berners-Lee conceptualized and introduced the World Wide Web in 1989, aiming to revolutionize the sharing and accessibility of information globally.
  • The World Wide Web is essentially a network of websites and web pages that are interconnected and stored on servers globally.
  • Web browsers are essential tools for accessing web pages, as they communicate with web servers to fetch and display content to users.

Question for The Internet & WWW
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What is the main difference between the internet and the World Wide Web?
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FAQs on The Internet & WWW - Computer for GCSE/IGCSE - Year 11

1. What is the difference between the Internet and the World Wide Web?
Ans. The Internet is a global network of interconnected computers, while the World Wide Web is a system of interlinked hypertext documents accessed via the Internet using a web browser.
2. How does data travel over the Internet?
Ans. Data travels over the Internet in the form of packets, which are small units of data that are sent and received by devices called routers. These packets are reassembled at their destination to form the complete data.
3. What is the role of an IP address in Internet communication?
Ans. An IP address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It allows devices to identify and communicate with each other on the Internet.
4. How does a web browser work in accessing websites on the World Wide Web?
Ans. A web browser sends a request to a web server for a specific website by using the URL entered by the user. The server then sends back the requested web page in HTML format, which the browser interprets and displays to the user.
5. What are some common Internet protocols used for communication?
Ans. Some common Internet protocols include HTTP (Hypertext Transfer Protocol) for web browsing, FTP (File Transfer Protocol) for file transfer, SMTP (Simple Mail Transfer Protocol) for email, and TCP/IP (Transmission Control Protocol/Internet Protocol) for data transfer.
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