协作学习在计算机应用程序编制教学中的应用

将协作学习引入到计算机应用程序编制教学中,解决了传统教学中上机操作难度大、学习兴趣不足、参赛水平低等问题。介绍了教学环节设计和实施过程,提出了实施中关键问题及处理方法,指出学生在计算机编程方面的技能水平有所提高。

PLC Functional Instruction in Programming of the Application

In this paper, the function characteristics of instruction are introduced, and the focus is on contact compare instruction and the characteristics of the transfer instructions. With the traffic lights control as an example, this paper proposes the application of contact compare instruction and transfer instruction to program design method, making the program structure compact and statement concise. The control requirements are easily completed. Key words： Function Instruction; Programming; Traffic Lights; Contact Compare Instruction; Transfer