2. Information technology is different from other technologies-information. Specifically, the service subject of information technology is information, and its core function is to improve the efficiency and benefit of information processing and utilization. The nature of information determines that information technology also has the characteristics of universality, objectivity, relativity, dynamics, enjoyment and transformation.
Extended data:
The information technology industry mainly includes three industry departments:
1, information processing and service industry, which is characterized by using modern computer systems to collect, process, sort out and store information and provide various information services for computer centers, information centers, consulting companies and other industries.
2. Information processing equipment industry, 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 be counted as this industry.
3. Information transmission intermediary industry, which 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.
Baidu encyclopedia -IT industry
Baidu encyclopedia-information technology