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Make our lives more convenient.
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Where there is a net, there is heaven.
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Modern communication technologyand computer technology is just one part of information technology.
Information technology (IT) is a general term for various technologies used to manage and process information.
Information technology mainly includes:
2) Computer technology: The technology that uses computers to process data.
3) Microelectronics: Technologies that reduce the size of components, such as CPUs5) Communication technologies: Technologies that transmit information.
Among them, computer technology and communication technology are combined into today's network technology.
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There is a certain amount of this to come.
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We know that some of the important features of the 21st century are digitization, networking and informatization, and it is an information age with the network at its core. In order to realize informatization, it is necessary to rely on a well-developed network, because the network can transmit information very quickly. Therefore, the Internet has now become the lifeblood of the information society and an important foundation for the development of the knowledge economy.
The Internet has had an immeasurable impact on many aspects of social life and on socio-economic development. There are three types of networks that everyone is familiar with, namely telecommunication networks, cable television networks, and computer networks. According to the initial division of services, the telecommunications network provides users with services such as **, telegraph and fax.
Cable television networks deliver a variety of television programs to their subscribers. Computer networks, on the other hand, enable users to transfer data files between computers. These three types of networks play a very important role in the process of informatization, but the fastest growing and central one is the computer network, and this is what this book will discuss.
With the development of technology, telecommunication networks and cable television networks have gradually integrated into the technology of modern computer networks, expanding the scope of the original services, and computer networks can also provide users with the services of communication, communication and transmission of programs. Theoretically, the integration of the above three networks into one network can provide all the above services, which is the "triple play" that has been proposed a long time ago. However, the truth is not so simple, as it involves various issues of economic interest and administrative jurisdiction.
Since the 90s of the 20th century, the computer network represented by the Internet has developed rapidly, and has gradually developed from the initial free education and scientific research network for the use of Americans only to the commercial network (paid use) for global use, and has become the largest and most important computer network in the world. It is no exaggeration to say that the Internet is the biggest revolution in the field of storing and exchanging information since the invention of the printing press.
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Hello, I am glad to answer for you, please talk about the following impacts of communication and information technology on the future social development in combination with current affairs and your own views: 1. Information technology is the fastest-growing, most competitive and most far-reaching leading technology in today's high-tech field, and is the fastest-growing, most permeable and most widely used key technology in the process of technological progress of human society so far, representing the development direction of advanced productive forces and creating the highest labor productivity in human history. 2. The extensive use of information technology has made information an important factor of production and a strategic resource, enabled the efficient allocation of social resources, and accelerated the process of economic globalization.
3. The development and extensive use of information technology have accelerated the adjustment of the industrial structure worldwide, and have also effectively promoted the economic growth, increased the employment rate, reduced inflation, and led to the adjustment and upgrading of the traditional industrial structure.
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Under the new situation, the current situation of computer network communication is diversified and global, and the development trend is the development trend.
With the advent of the information society, computer network communication technology is also developing, optical communication in the era from time to time to carry out updates and ideals under the advancement, people in the office and life have shown their dependence on computer network communication, overnight, the requirements for it will increase, especially the requirements for data processing and transmission of careful function. In this way, there is no way for traditional computer network communication to conform to this society, and there is no way to meet people's needs for computers.
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At present, computer network communication, artificial intelligence (in layman's terms, mainly referring to robots), large databases, and multiple first-class technologies together constitute the four hot areas of information technology.
With the development of computer network communication and artificial intelligence technology, in the future, as long as our units and families have a computer connected to the network, they will not have to crowd the bus, subway, or taxi to work every day, they will be able to obtain all kinds of information, complete all kinds of daily work, sign contracts, and automatically consult the information we need. In this way, the pressure on urban traffic can be reduced and the atmospheric environment can be improved.
In daily life, even going to school, shopping, seeing a doctor, and doing various recreational activities, you can also use the computer network. You don't have to buy DVDs one by one, you can directly from the Internet**. We don't have to subscribe to the newspaper, turn on the computer, and get the latest news anytime and anywhere, and so on.
At that time, computers and televisions, ** machines, fax machines, DVD players, and audio equipment have been integrated into a machine, and have become highly intelligent, becoming home robots, which can automatically provide services for my manuscripts, play the functions of security guards, nannies, and secretaries, automatically judge the identity of guests, leave information for guests, and automatically transfer to the host. It can help take care of children and the elderly, automatically send a report to the hospital, automatically tidy up the room, cook, etc. It can also automatically turn on and off according to the presence or absence of information, so as to achieve green energy saving and protect the environment.
This is the information age.
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The content of Computer Networks and Communications covers the basic concepts, principles, technologies and applications of computer networks and data communications, and reflects the latest progress of data communication and computer network technology. It mainly includes computer network overview, data communication basics, network architecture, local area network, communication network and wide area network, network interconnection technology, Internet, network operating system, network management and security technology, network comprehensive experiment, etc. >>>More
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It's a long time.,Let's take a look at the history of computer development.。。
Network technology is better, if you want to learn well, it is more difficult to learn network technology, and now the most profitable thing in computers do you know what it is, network security. Don't think that making software makes money, if you choose network technology, you must learn C language well in college, data structure and network knowledge.