5.4.3 Internet Services
Types of Internet Services
World Wide Web:
WWW is a graphical hypertext way of using the Internet using the HTTP protocol for transmitting Web pages and other information over the Internet, in principle, between the server and the user's computer. Web pages are written in HTML (Hypertext Markup Language) language, and recognizes them for this purpose designed browser (Internet Explorer, Firefox, ...).
The Telnet 'Terminal Emulation' software support, which to communicate with a computer connected via a TCP / IP stack.
The idea that in a few minutes you can deliver, text, image, audio or video recording of any person on the planet was unfeasible until recently, but now, thanks largely to the rapid expansion of the number of Internet users and the increasing speed of communication, was to become reality of business and social communication.
FTP - File Transfer Protocol
Before the World Wide Web and FTP was the only way to transfer large files between computers of Internet users. Allows access to a computer on the Internet (if it's public or available to the password), preview content on its hard disk, finding the necessary files and copy on its own disk.
This service allows the Internet to one or more of Internet users who are hooked to the same channel at the same time see the text that you type on your computer, and the texts of other active users typing on his computer.
Social networks are a newer phenomenon and do not belong in a separate category because they contain almost all of the previously mentioned services, unified to work in an easy, friendly way.