Information technology is a technology that uses the principles and methods of information science to study information transmission and information processing. Its main body is communication technology, computer technology and control technology. Its specific content includes the generation, detection, transformation, storage, transmission, processing, display, identification, extraction, control and utilization of relevant information, as well as the study and design of computer software, hardware, external equipment, communication network equipment, control devices and computer applications. Communication technology can solve the same problem of information transfer, computers can solve the problem of information storage, processing and application, and control technology connects them with the production or management system, convergence, to all aspects of human activities to infiltrate, change the form of human production. Information technology has also been increasingly widespread penetration of medical research and clinical diagnosis and treatment of technical means.
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Information technology, including communications technology, computer technology, multimedia technology, automatic control technology, video technology, remote sensing technology. Communication technology is an important part of modern information technology. The digitalization, broadband high-speed and intellectualization of communication technology is the trend of modern communication technology. Computer technology is another important part of information technology. Computers have been processing a large amount of information for people since their inception, and with the continuous development of computer technology, their ability to process information is also being strengthened. Nowadays, computers have penetrated into every aspect of people's social life. Computers will develop in the direction of parallel processing. Modern information technology cannot be separated from computer technology for a moment. Multimedia technology is a technology that emerged in the 80's. It integrates text, data, graphics, voice and other information through computer processing, so that people can get better and more intuitive comprehensive information. In the future, multimedia technology plays a very important role. Information technology deals with a large part of the image and text, and thus video technology is also a research hot spot of information technology.