Information on almost any topic can be found somewhere on the Web. Government agencies and educational institutions are probably the best sources of reliable and useful information. Increasingly, it is possible to shop, make purchases, and do other business on the Web. This can be a significant convenience. A modem is a device that translates your computer's digital signals into a format that can be sent over a regular phone line.
Most new computers sold today come with a modem.
The equipment needed to use the service is additional. Internet-only access providers. Hundreds of companies nationwide specialize in providing Internet access. Some are national in scope, and have toll-free 800 phone numbers to allow you to connect while traveling away from your home or business. Other companies serve a local or regional area, such as a city, and have local access phone numbers.