Information processing and service industry is characterized by collecting, processing, sorting and storing information by using modern computer systems, and providing various information services for computer centers, information centers, consulting companies and other industries. The information processing equipment industry is characterized by engaging in the research and production of electronic computers (including hardware manufacturing of related machines), computer software development and other activities. Computer manufacturing companies and software development companies can all be counted as this industry. Information transmission intermediary industry is characterized by using modern information transmission intermediary to transmit information to the destination timely, accurately and completely. So printing, publishing, news broadcasting, communication, post and telecommunications, and advertising can all be included.
Information industry can be divided into primary information industry and secondary information industry. The former includes traditional goods and services to transmit information and intelligence, while the latter refers to services provided to internal consumers such as governments, enterprises and individuals. Information technology industry is a new industry. It is based on modern scientific theory and technology and adopts advanced theory and communication technology. It is a high-tech service industry. The development of information industry is of great significance to the development of the whole national economy. The information industry makes the transmission of economic information more timely, accurate and comprehensive through its activities, which is conducive to improving the labor productivity of various industries.
The information technology industry accelerates the spread of science and technology and shortens the distance from creation to application in production. The development of information industry promotes the development of technology-intensive industries and is conducive to the adjustment of national economic structure. It is precisely because of these advantages that information technology has made rapid progress since the emergence of computer technology. Its application has penetrated into all walks of life and every corner of society, greatly improving the level of social productivity and bringing unprecedented convenience and benefits to people's work, study and life.