The characteristics of C# program language and its potential new functions;

The importance of the program language to the computer profession is illustrated, the character of the three language and its significance as compulsory course, and also the issue should be paid attention to is discussed.

A program language in which developers can construct various collaborative applications scheme was studied and sought after.

The paper summarizes development process of military computer and the current situation at home and abroad,simply introduces programming language and development tendency of military computer,in which the division of the several development stages is only for reference in the hope of causing the relevant discussion.

This article introduces how to develop virtual instruments using graph programming language-LabVIEW, designs a set o power useul virtual signal generator based on PC and Web and explains the important part and wide development prospects of virtual instrument in modern measurement technique field.