What is the Internet?

The Internet is a global network of computers that uses a software protocol and a common machine language to communicate.

All types of computers can connect to each other, from PCs and Macs to supercomputers.  By using TCP/IP (Transmission Control Protocol/Internet Protocol), different systems are able to understand and communicate with each other on the Internet.

To connect to the Internet, you need:

• a computer with a modem connected to a phone or cable line
• an Internet Service Provider (ISP)
• installed software for connecting to your ISP (communications software)
• installed software for navigating and viewing web pages (browser software)

A modem is a piece of hardware that allows you to send information from your computer to another computer through a telephone line, coaxial cable hook up, dedicated service line (DSL), or a fiber optic line. Modems with wireless capability can also connect through cellular phone towers (called Wi-Fi).   Most new computers come with the modems and communications and browser software installed.

You must also have an Internet Service Provider. You usually pay a monthly fee and connect to the Internet through your phone or cable line. Try The List: The Definitive ISP Buyer's Guide http://www.the list.com for a comprehensive directory of ISPs. 

Communications software for connecting to the Internet must be configured with the settings of your ISP. Generally, you receive a compact disc with the proper communications software on it. Place the disc into the CD reader on your computer and follow the instructions on the screen. If you need help, call your ISP.  You must also have web browser software such as Microsoft Internet Explorer or Foxfire.

Check out Webopaedia http://www.pcwebopaedia.com/ for definitions of Internet and computer terms.

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