The first-level examination subjects of Computer Rank Examination include first-level MSOffice, first-level WPSOffice, first-level Photoshop application and first-level new subject "Network Security Quality Education", and the examination time is 90 minutes. The second-level examination subjects of Computer Rank Examination include basic skills of advanced language programming and computer debugging, and the examination time is 120 minutes. The three-level examination subjects of computer grade examination include basic knowledge and related professional knowledge, and the examination time is 120 minutes. The subjects of Computer Rank Test Band 4 include mastering professional skills, systematic theoretical knowledge and comprehensive application ability engaged in information technology work, and the examination time is 90 minutes.