The Internet is a worldwide network of computer networks. Currently, there are over a billion people using the Internet, and millions of new users log on each month. The Internet consists of many parts. but the two most popular are the World Wide Web and electronic mail (email).
The minimum requirements are a computer and a modem. If you have a digital device such as a personal computer or smartphone, Once you have the necessary hardware, you sign on with an Internet Service Provider (ISP), a commercial on-line service or a freenet.
An ISP provides direct access from your home or office to the Internet through phone lines, Integrated Services Digital Network (ISDN) Digital Subscriber Line (DSL) or special dedicated Internet connections. Most ISPs provide popular software, including a Web browser and email client. With an ISP, however, you are free to use any other available Internet software package. Most ISPs also give users their own Web space to publish their own information.
Commercial on-line services are designed to provide relatively limited information in an easy-to-use format. Commercial services offer their own news, research resources and discussion forums, which only their members can use. They also provide access to the Internet’s vast resources. Because these systems provide proprietary content and point and click software rather than just Internet access, they generally cost more than ISPs.