Several ideas for computer teaching of non-computer specialties at water and power vocational school;

Setting up a new computer teaching model with student as subject;

Challenge and opportunity coexist-Employment-oriented maneuver of computer teaching in popular specialties;

The promotion of computer rank examination to the teaching of computer in higher vocational schools;

The application of "competitive teaching method" in the teaching of computer should build competitive teaching platform,and combine with the "duty-driving" teaching method to encourage all students′ progress;the emphasis is to face to all students,advance qualities of students of different levels;rely on the platfor.

The connotation and application techniques of data visualization are introduced and some practical examples of computer instruction which is based on data visualization aiming at three aspects which are algorithm realization,abstract concepts and dynamic execution of programs.

According to the actual teaching experiences,this paper mainly analyzes on the converting methods and skills of the carry number system in the computer instruction,making the students understand easily the conception of the numerical system by using this method and master effectively the conversion of the carry number system through certain skills.

Based on "profession-oriented" and "overall development" teaching principles,through a specific case of computer instruction,this paper discusses questions of how the project-based teaching works in the above context,its characteristics,implementation and inhibiting factors that affect the implementation.