"计算机数据存储与类型学习：数字、文本、音频、图象、视频"

The third chapter of the Computer Science and Technology Department's course material covers the topic of data storage. This chapter delves into the various data types that can be stored on a computer, including numbers, text, audio, images, and video. The chapter starts by listing five different data types that can be found inside a computer, highlighting the diversity of information that can be stored and processed. One of the key concepts discussed in the chapter is the representation of integers within a computer system. The chapter explores the different ways in which integers can be stored, including unsigned, sign-and-magnitude, and one's complement representations. By understanding these different representations, readers are able to appreciate the intricacies of how numerical data is stored and manipulated within a computer system. Furthermore, the chapter delves into the storage of text, audio, images, and video, providing insights into the various formats and compression techniques used to store and retrieve these types of data. The chapter discusses the importance of efficient storage methods for multimedia data, especially in the context of streaming services and large-scale data storage solutions. Overall, after reading this chapter, readers should have a comprehensive understanding of the different data types that can be stored on a computer, as well as the various representations and storage techniques used for each type. By delving into the intricacies of data storage, readers are better equipped to navigate the complexities of modern computing systems and technologies.