【教材分析】本课为教育科学出版社《信息技术基础》第五章第一节的内容。前四章以信息技术的发展史、信息的获取和常见加工方法为主,第六、七章为信息的集成与交流。第五章为多媒体信息的加工,在本教材中是一大亮点。本节以其实用性和高利用率成为学生最欢迎的内容之一。 【Textbook Analysis】 This lesson is Education Science Press “Information Technology Fundamentals,” Chapter V of the first section. The first four chapters mainly focus on the development history of information technology, access to information and common processing methods. The sixth and seventh chapters are the integration and exchange of information. The fifth chapter for the processing of multimedia information, in this textbook is a major bright spot. This section is one of the most welcome content for students with its practicality and high utilization.