Is a worldwide PC network made up of thousands networks connected together. All of these PCs communicate with one another; they share information, resources, and exchange data, and so on. To accomplish it they have to utilize the same language or protocol: TCP/IP (Transmission Control Protocol/Internet Protocol
Transforms digital signals stored in the PC into analogue signals that can be transmitted over the phone lines or cable network
Is utilized for the exchange of messages and attached files throughout the world.
Is a system that allows people make voice calls via the Internet
For real time conversations; you type your messages on the keyboard
Is a collection of files or pages containing connections to different documents on the Net
Modem
Email or electronic mail
The Internet
WWW
Internet telephone
Chat and instant messaging