2. If you haven't taken relevant exams, but are familiar with the basic operation and skills of computers, you can write: general, proficient, etc.
3. If there is a clear requirement in the resume form, just fill it out truthfully according to the requirements of the form.
Its English word is information technology, which means information technology and industry. It mainly uses application of computer science and communication technology to design, install and implement information systems and application software. It is also often called information and communication technology. It mainly includes sensing technology, computer and intelligence technology, communication technology and control technology.
IT industry is divided into IT production industry and IT use industry. IT production industry includes computer hardware industry, communication equipment industry, software, computer and communication service industry. As for the IT industry, almost all industries are involved, among which the service industry uses IT in a large proportion. IT can be seen that the IT industry not only refers to the communication industry, but also includes the software and hardware industry, not only the manufacturing industry, but also related service industries, so the communication manufacturing industry is only a part of the IT industry, not the whole IT industry.