Internet is a global collection of network. The Internet is a network of networks, linking computers to computers sharing the TCP/IP protocols.
It is a "network of networks" that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services: electronic mail, online chat, file transfer, interlinked Web pages and other documents of the World Wide Web.
A Hierarchy of Networks From a single computer to LAN, From LAN to ISP and ISP to WWW.
ISP: Internet service provider Malaysian ISP’s and type of services they provide.
Every machine on the Internet has a unique identifying number, called an IP Address. The IP stands for Internet Protocol, which is the language that computers use to communicate over the Internet. A protocol is the pre-defined way that someone who wants to use a service talks with that service. The "someone" could be a person, but more often it is a computer program like a Web browser. An Internet Protocol address (IP address) is a numerical label that is assigned to devices participating in a computer network that uses the Internet Protocol for communication between its nodes. An IP address serves two principal functions: host or network interface identification and location addressing.
A typical IP address looks like this:
To make it easier for us humans to remember,
IP addresses are normally expressed in decimal format as a dotted decimal number like the one above.
But computers communicate in binary form.
Transmission Control Protocol/Internet Protocol, the suite of communications protocols used to connect hosts on the Internet. TCP/IP uses several protocols, the two main ones being TCP and IP. TCP/IP is used by the Internet, as the de facto standard for transmitting data over networks.
TCP/IP (Internet) Applications
World Wide Web's Hypertext Transfer Protocol(HTTP)
Simple Mail Transfer Protocol (SMTP)
File Transfer Protocol (FTP)
Telnet (Telnet) which lets you logon to remotecomputers
Simple Network Management Protocol (SNMP)
Domain Name System (DNS)
The Internet naming scheme which consists of a hierarchical sequence of names, from the most specific to the most general (left to right), separated by dots : example ?
IP (Internet protocol)
The Internet standard protocol that provides a common layer over dissimilar networks, used to move packets among host computers and through gateways if necessary.
The numeric address of a computer connected to the Internet; also called Internet address.