Electrical and electronic technology, etc. According to official website of Changsha University of Science and Technology, the subjects of electronic information in the School of Automobile and Machinery of Changsha University include electrician and electronic technology, digital electronic technology, microcomputer principle, automatic control theory, signal analysis and processing, precision measurement and control system, engineering optics, sensor principle and its application, single chip microcomputer principle and its application, and intelligent instruments. Electronic information engineering is a subject that uses modern technologies such as computers to control and process electronic information. It mainly studies the acquisition and processing of information.