For information technology, people have different descriptions from different angles:

1 Information technology refers to the collection, identification, extraction, conversion, storage, processing, retrieval, detection, analysis and utilization of relevant information.

2. Information technology refers to the technology of obtaining, transmitting, storing, processing, displaying and publishing information by using electronic computers and modern communication means (Xinhua Dictionary, Commercial Press, revised edition 200 1).

3. Some experts and scholars in China believe that information technology refers to the science and technology that studies how information is generated, acquired, transmitted, transformed, recognized and applied.

The research of information technology includes science, technology, engineering and management, the application of these disciplines in information management, transmission and processing, related software and equipment and their interaction.

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, TV programs, sounds, graphics, images, etc.). ).

In enterprises, schools and other organizations, information technology architecture is a comprehensive structure that adopts and develops information technology to achieve strategic goals. It includes management and technology. Its management components include tasks, functions and information requirements, system configuration and information flow.

Technical components include information technology standards and rules to realize management architecture. Because computers are the center of information management, computer departments are usually called "information technology departments". Some companies call this department Information Service (is) or Management Information Service (MIS). Others choose to outsource the information technology department to get better benefits.