Its major function is to permanently store the system files, application programs, user programs, documents, data and so on, all of which are needed by computer during processing.

其主要作用是长期存放计算机处理所需要的系统文件、应用程序、用户程序、文档和数据等。

youdao

Its major function is to permanently store the system files, application programs, user programs, documents, data and so on, all of which are needed by computer during processing.

其主要作用是长期存放计算机处理所需要的系统文件、应用程序、用户程序、文档和数据等。

youdao