What is it? it explanation

1. IT occupation is a traditional job position in IT industry, mainly engaged in computer work.

2. IT is called INFORMATION TECHNOLOGY, that is, information technology and industry. It covers a wide range. All industries that deal with or apply information technology, such as banks, consulting, hospitals, publishing, manufacturing, film and television, are all dependent on information and information systems.

3. Computer software and hardware, Internet and other network environments that connect all the above things, and of course, people engaged in design, maintenance, support and management * * * have formed an ubiquitous IT industry.