IT is information technology, also known as information and communication technology. It is a general term for various technologies used to manage and process information. It mainly applies computer science and communication technology to design, develop, install and deploy information systems and application software.
The application of information technology includes computer hardware and software, network and communication technology, application software development tools, etc. Since the popularization of computers and the Internet, people have increasingly used computers to produce, process, exchange and disseminate various forms of information, such as books, business documents, newspapers, records, movies, television programs, voice, graphics, images, etc.