The document provides an introduction and history of the Internet. It describes how ARPANET, developed in the 1960s, was the precursor to the Internet and initially connected four university computers to share resources among scientific users. It then defines several key Internet terms like domains, email, firewalls, protocols, servers, and browsers. It explains that the World Wide Web is part of the Internet that allows publishing of information through hyperlinked web pages, while search engines help users find information on the Web. Common search engines like Google index web pages, images, and other files.
The document provides an introduction and history of the Internet. It describes how ARPANET, developed in the 1960s, was the precursor to the Internet and initially connected four university computers to share resources among scientific users. It then defines several key Internet terms like domains, email, firewalls, protocols, servers, and browsers. It explains that the World Wide Web is part of the Internet that allows publishing of information through hyperlinked web pages, while search engines help users find information on the Web. Common search engines like Google index web pages, images, and other files.