This input/output (I/O) operation is time-consuming, compared with the amount of time required to access data that’s already in computer memory.

与访问已经在计算机内存中的数据相比，这种输入/输出 (I/O) 操作非常耗时。

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virtio is an input/output (I/O) para-virtualization framework for Linux that simplifies and expedites I/O traffic from a VM to a hypervisor.

virtio 是一个 Linux 的输入/输出（I/O）准虚拟化框架，它简化并加快了 VM 到管理程序的 I/O 通信。

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This system hardware construction adopts an Industry control solution based Industry control computer, which carry out control logic on IPC, IPC handle input and output by I/O plank card.

本系统硬件结构采用了一种基于工业控制计算机（IPC）的工业控制解决方案：在IPC上执行控制逻辑，IPC直接通过I/O板卡处理输入输出。

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