2. Intermediate stage: With the popularization of computer networks, informatization has entered a new stage. At this stage, the functions of information collection, processing and transmission have been well realized, and people can easily obtain all kinds of information from the network, which makes the application place of informatization gradually expand, and is no longer limited to a specific field or industry.
3. Advanced stage: In the advanced stage, information technology is becoming more and more mature, and the technology and scale of various information systems are constantly expanding and upgrading. At this stage, the application of information technology in various fields is more in-depth, especially with the promotion of big data, artificial intelligence and other technologies, the efficiency of information technology has been further improved, and emerging technologies such as cloud computing and Internet of Things have also begun to emerge, injecting new vitality into the development of information technology.