The system mainly includes modules of DSP, power, AD conversion, extended memory and USB transportation.

硬件系统主要包括DSP模块、电源模块、AD转换模块、扩展存储器模块、US B传输模块。

The system's hardware adopts MCS-51 single chip machine as data memory and also adopts AT24C64 as external extended memory.

系统的硬件采用MCS - 51单片机作为数据存储器并且采用了AT 24 C 64作为外扩存储器。

By the applied analysis of conventional memory, expanded memory, extended memory, Rom shadow and cache, this thesis sums up the memory technology of PC systematically.

通过对常规内存、扩充内存、扩展内存、影子内存、高速缓存及虚拟内存的应用分析，对微型计算机的内存技术作了较系统的分析和总结。

SD-2 log system data transmitted process is analyzed in the article. The extended memory. Interrupt and DMA technology is used in the program according as log practice require.

本文分析了SD-2测井系统数据传输过程，结合测井实际的需要，在软件的编写中，应用了中断、扩展内存、显存直接操作等技术。

Our memory holds a great deal of information. But the extended mind moves swiftly between outside and inside sources, showing little regard for where its information comes from.

人脑的记忆区里存放着大量信息，而外脑则能够在内、外两个资源库之间进行快速转换，而并不太在意这些信息来自何处。