(2 ) While the program is executing, it may be swapped to disk and returned to main memory at a different location( relocated)(程序执行期间, 进程可能被换出主存到磁盘,当需要又被换入主 存,可以把该进程重定位到存储器的不同区域 B3). The processor hardware and operating system software must be able to translate the memory references found in the code of the program into actual physical memory address 处理器硬件和操作系统软件必须能够把程序代码 中的访间地址转换成实际的物理存储器地址) ★如图7.1,该图描述了一个进程的寻址要求。(2). While the program is executing, it may be swapped to disk and returned to main memory at a different location (relocated)（程序执行期间， 进程可能被换出主存到磁盘，当需要又被换入主 存，可以把该进程重定位到存储器的不同区域.) (3).The processor hardware and operating system software must be able to translate the memory references found in the code of the program into actual physical memory address. (处理器硬件和操作系统软件必须能够把程序代码 中的访问地址转换成实际的物理存储器地址.) ★如图7．1，该图描述了一个进程的寻址要求