Embedded systems may use a ROM-based operating system or a disk-based system, like a PC.

嵌入式系统可以使用基于ROM的操作系统或基于磁盘的系统，如PC。

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That will undoubtedly differ for each machine, based on processor speed, disk controller, hard drive, and operating system version.

根据处理器速度，磁盘控制器，硬盘驱动器和操作系统版本，这对于每台机器无疑是不同的。

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A new designed highly reliable communication controller based on Linux operating system without fan and hard-disk is proposed.

介绍了一种基于嵌入式技术、无风扇、无硬盘、高可靠性通信管理机的硬件系统和软件设计。

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