磁盘操作系统: disk operating system虚拟: invented; fictitious存储器: accumulator; computer memory ...只读存储器磁盘操作系统: rom disk operating system; rom dos虚拟存储器操作系统: operational system/virtual storage; vmos virtual memory operating system虚拟磁盘操作系统: vdos; virtual disk operating system虚拟存储操作系统: virtual memory operating system; vmos磁盘操作系统: cdos; disc operation system; disk operating system (dos); disk operating system, cp/m; disk operating system, mp/m; disk operation system; disk opreating system; disk-based operating system; dos / vs dos / virtual storage; dos disc operating system; dos disk operating system; dos dos; dos,disk operating system; dp disc operating system; microsoft disk operating system多重虚拟存储操作系统: multiple virtual storage operating system虚拟存储体操作系统: vsos virtual storage operating systemms磁盘操作系统: ms dos并行磁盘操作系统: cdos concurrent disk operating system常驻磁盘操作系统: rdos resident dos磁带磁盘操作系统: tape disc operating system; tdos tape disk operating system磁盘操作系统生成: disk operating system generation; dosgen dos generation汉字磁盘操作系统: ccdos; chinese character disk operating system基本磁盘操作系统: basic disk operating system; basic disk operating sytem; bdos basic disc operating system科学磁盘操作系统: scientific disc-operating system软磁盘操作系统: diskette operating systems; fdos; floppy disk operating system软性磁盘操作系统: floppy disk operating systems; floppydiskoperatingsystems; operating voltage indicator实时磁盘操作系统: real-time disk operating system通用磁盘操作系统: gdos generalized disk operating system图形磁盘操作系统: graphic disk operating system网络磁盘操作系统: ndos network disc operating system; network disk operating system微软磁盘操作系统: microsft disk operating system (ms-dos); microsoft disk operating system; ms-dos