What is an Internet - Introduction Computer is an...

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Introduction Computer is an electronic device that accepts input, processes data, stores data, and produces output, based on a series of instructions in stored programs. Since the first computer of our country was made in 1958, computer science has been developing rapidly, bringing great changes in our life. Now computers have been in thousands of families and become part of our daily life. Computers can do many things for us, we can read news, get information we need, save our files, play games. We can also chat online with people all over the world, watch the movies, listen to music over the Internet. In addition, computers can do some complex work, such as CAD and CAM. In industry, computer can have a wider use, like the control systems, communication systems and so on. There is no doubt that with development of computer science, computers will play a more and more important role in our life in the coming days.
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The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies. The Internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail . How to connect to the Internet There are many different ways to connect to the Internet. One of the most common ways is via a dial-up connection. With a dial-up connection, the Internet user can connect to the Internet via his or telephone line and an Internet service provider. This method of connecting to the Internet is generally considered the cheapest, but it is also provides the user with the slowest overall connection speeds. However, it may suit the purposes of the occasional Internet user without a need for a fast or consistent connection. The basic requirements are a computer, a modem, a phone line, and a contract with an
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This note was uploaded on 07/25/2011 for the course ACCT 200 taught by Professor Minliu during the Spring '11 term at Universidad Europea de Madrid.

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What is an Internet - Introduction Computer is an...

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