Level 1 (level 1 B, level 1 WPS office, level 1 MS office)

Test the examinee's preliminary computer knowledge and ability to use microcomputer system. Mainly for people engaged in word and form processing, daily information retrieval and office information processing.

The second level examines the candidates' basic knowledge of software and hardware and their ability to program and debug on a computer using a high-level computer programming language (C, VISUAL BASIC, VISUAL FOXPRO, JAVA, ACCESS, C++).

It is mainly set up for people who are engaged in the use of computer or database management software.

The third level is divided into four categories: PC technology, information management technology, network technology and database technology.

The three levels are divided into a level and b level.

The third class A examines the basic knowledge of computer application and the preliminary ability of computer hardware system development;

Class B, level 3 examines the basic knowledge of computer application and the preliminary ability of computer software system development.

Level 4 examines the necessary ability of analysis and design of computer application projects or application systems.

CET-4 candidates should have basic knowledge of computer and application, be familiar with the principles and application knowledge of computer operating system, software engineering and database technology, have basic knowledge of computer network and communication, have the basic ability to develop, analyze and organize computer application projects, and have knowledge of computer application system security. Mainly for people engaged in computer application system design.

Nowadays, college graduates are generally in the second and third grades.