The course "College Computer Basis" is the first computer course for undergraduates after entering the university. In recen
The course "College Computer Basis" is the first computer course for undergraduates after entering the university. In recent years, many colleges and universities have listed this course as one of the compulsory basic courses. The following is what I recommend to you, I hope you like it!
Chapter 1 "Research on Computer Network Communication Technology and Development Trend"
Computer network communication technology is a remarkable symbol of the development of information society and plays an important role in information processing and transmission. With the in-depth development of computer network communication technology, computer communication technology and database technology are widely used in the field of information services, and computer technology plays a vital role in the information age. This paper analyzes the characteristics and application of computer network communication technology in the new period, and looks forward to the development trend of network communication technology in China.
Keywords computer; Network communication; development trends
With the development and application of computer network communication technology, computer technology plays a vital role in the information age, especially in the context of the rapid development of information technology, people rely more and more on computer networks in their daily lives. Computer network communication is a new communication mode formed by the combination of computer technology and communication technology. It is the main facility of modern information circulation and the foundation of sustainable social development. Driven by the wave of information revolution, the scope and fields of application are getting wider and wider, and many emerging industries are emerging, mainly to meet the needs of data communication. It connects multiple computers, terminals and auxiliary equipment with independent functions located in different geographical locations through communication links, and is equipped with corresponding network software, thus realizing a communication system with shared resources. It can not only meet the data and file transmission needs of enterprises, companies, schools and offices in a regional scope, but also exchange, store and process information in a country or even around the world. At the same time, it can provide the integration of voice, data and images, which has attractive development prospects. At present, the computer network and data communication are developing rapidly, the information quantity and randomness are increasing, the information update is quick and intuitive, and the information value is obviously improved, which provides services for the development of high technology and national economy.
Basic characteristics of computer network communication
With the continuous improvement of people's living standards and the requirement for multimedia, communication technology and computer network technology have developed rapidly. Computer communication technology has been recognized by people in various fields and has a broader application prospect, mainly because it has its own characteristics. Compared with telephone transmission communication technology, the characteristics of computer communication technology are more distinct, which are as follows: First, the transmission efficiency is higher. In the traditional language analog information transmission mode, the speed of information transmission is not high, but in the current digital information transmission mode, the transmission speed can reach 64kb/s, and the characters transmitted have exceeded 48 characters /s. With the development and application of computer communication technology, higher information transmission efficiency can be obtained. The popularization of this technology makes the development of communication technology and computer network technology greatly promote the progress of society. In addition, computer communication technology has strong anti-interference ability, which can keep the whole communication smooth and ensure the quality of information transmission more easily. Finally, it has strong compatibility. Telephone transmission communication form is relatively simple. Compared with computer communication form, it can transmit paper documents, such as drawings, forms and pictures. It can also transmit audio-visual files, such as songs and animations; It also has good voice function and can be used for video chat. To sum up, compared with telephone transmission communication technology, computer communication technology has stronger compatibility and wider application scope.
2. The application of computer network communication
Computer network communication has broad prospects in industry, finance, telecommunications, national defense, scientific research and many other fields. Intelligent network communication control products such as civil air defense emergency management information system, intelligent lighting system and intelligent flood control early warning system have been widely used in the field of smart city construction in China, laying a solid foundation for the intelligent construction of digital civil air defense.
1 Computer communication technology plays an important role in the field of education. This has created good conditions for the development of human resources in distance education. The distance teaching method adopted in China is communication satellite to achieve the purpose of education, which overcomes the limitations of traditional school education, expands the scope of education, realizes the enjoyment of teachers' resources and improves the teaching effect.
Computer communication technology can change people's life style, make people's life more convenient and expand the scope of activities. People can finish their work at home through computer network communication technology; The development of video telephone communication has strengthened the communication between people; New trading methods such as online shopping, telephone and TV shopping also provide convenience for people's consumption.
Modern communication technology mainly depends on the combination of television, radio, satellite communication and computer, which can store information to the maximum extent, and can integrate international culture and make common progress and development. This technology provides a platform for countries to learn and communicate with each other.
Computer communication technology can resist natural disasters, improve the ability of society to resist meteorological disasters, transmit the received information to relevant departments through satellite communication, and finally play a role in preventing natural disasters.
3. The development trend of computer network communication technology
Computer communication technology originates from the continuous expansion of the application boundary of computer technology and is the product of the mutual integration of computer technology and network communication technology. With the improvement of China's science and technology level year by year and the continuous development of information and digital technology, computer communication technology has been applied in more fields, which has promoted exchanges and communication among countries all over the world and made people's daily production and life more convenient. With the application and popularization of optical fiber transmission technology, multimedia communication has become the mainstream of computer communication technology research and application. Looking forward to the development trend of computer communication technology, its application will be more scientific and reasonable, its application scope and application field will be further expanded, and its influence on human beings will be far-reaching. We need to maintain a good network environment and create better conditions for the development and application of computer communication technology.
As an important reform direction of network communication technology, WIFI, the most representative wireless communication technology, has been recognized by the majority of netizens, and is in the development of this market, and will soon replace the traditional limited mode of accessing the Internet through network cables and become an open mode. With the maturity of WLAN technology, the increase of products and the stability of efficiency, it can not only promote the development of national informatization, but also promote China's communication market and information industry to enter the international market and occupy a place. In order to promote the rapid development of network communication technology, the current computer communication network, radio and television network and telecommunication network can give full play to their respective functions and advantages, thus providing efficient and high-quality services for the vast number of users. Triple play has become an inevitable trend of development. Through the mutual compatibility and penetration of computer communication network, radio and television network and telecommunication network, it is gradually combined into a global communication information network. It can not only realize the sharing of network information resources, improve the applicability and stability of the network, but also reduce the cost, so network convergence will surely become the future development trend.
At present, computer communication technology is more faithful to the development of wireless, from Bluetooth to radio, and then to fully compatible mobile phone networks. 3G technology has been widely used in mobile Internet, and 4G mobile Internet has also been widely used abroad. Wireless communication technology combined with multimedia communication technology can easily realize video call anytime and anywhere. In the near future, it can be realized that when you make a phone call in a science fiction film, the other party's activity scene will be transmitted to ionized air through wireless transmission technology to form a three-dimensional image, thus achieving an immersive call experience. Moreover, the fifth generation mobile communication technology has been fully realized technically, but it has not been put into commercial application. With the continuous development and improvement of network communication technology, I believe that human life, study and work will benefit from it.
4. Conclusion
With the development of computer network communication technology, the application of computer data communication technology has gradually covered all aspects of life and work, and the production and life of modern society need the help of computer network. Computer communication is the basis of the development of communication technology, and it is also an important infrastructure in the future information age. Mainly to provide a high-speed, efficient and unified global communication environment, so that people's lives are more convenient, such as mobile TV, people's communication is smoother, such as video calls, and life is more colorful, such as digital TV. According to the analysis of the present situation, people will be more closely connected with the Internet in the future, which is a proof of the continuous progress of information technology in human society and marks that human society has entered the information age in an all-round way. [partial]
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