Computer Networks have been growing exponentially in this modern era. Two decades ago, few people had access to a network. Now, computer communication has become an essential part of our infrastructure. Networking is used in every aspect of our life as in business, including advertising, production, shipping, planning, billing and accounting and type of vast departs and fields. Consequently, most corporations have multiple networks. Schools, Online Libraries, Federal State, Local Government and office uses networks and others are military organizations. In Short, computer networks are everywhere.
Continued growth of the internet is one of the most interesting and exciting phenomena in networking. Just over twenty years ago, the internet was a research project that involved a few sites. Today, the internet has grown into a production communication system that reaches hundreds of millions of people across the globe where they populated. In the countries, the internet connects corporations, colleges and universities, as well as federal, cities and government offices, and schools. In addition, private residential areas have access to the internet through the dial up telephone system, cable modems, satellites, DSL and wireless technologies. Evidence of the internet’s impact on society can be seen in advertisements in magazines and on television, which contain references on Internet Websites that provide additional information about the advertiser’s products and services.
The growth in networking has an economic impact as well. Data Networks have made telecommuting available to individuals and have changed business communication. In addition, an entire industry has emerged that develops networking technologies, products and services.
In addition, computer programming is no longer restricted to individual computers; programmers are expected to design implement application software that can communicate with software on other computers.
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