1硬盘技术现状 　　随着计算机的普及其应用技术的发展 ,诸如多媒体信息技术的发展 ,每台计算机需要存储大量的数据、图形、声音、图像、视频文件 ,从而对目前作为计算机最主要存储器--硬盘的容量及性能提出了更高的要求 ,需要的存储量也越来越大 ,对于硬盘存储性能各项指标的? 1 hard disk technology status With the popularization of computer application technology development, such as the development of multimedia information technology, each computer needs to store a large amount of data, graphics, sound, images, video files, so as the computer as the main memory - Hard disk capacity and performance put forward higher requirements, the amount of storage needed is also growing, the indicators for the hard disk storage performance?