V2EX com port

Com Port

释义 Definition

COM port(通信端口)通常指计算机上的串行通信端口(Serial Port),用于通过串口协议与外部设备通信(如调制解调器、工业控制设备、串口传感器、路由器控制台等)。在 Windows 中常见命名为 COM1、COM2 等。也可泛指操作系统中被分配为“COMx”的虚拟串口(例如 USB 转串口适配器)。

发音 Pronunciation (IPA)

/km pt/(英式常见)
/km prt/(美式常见)

例句 Examples

I connected the device to COM3.
我把设备连接到了 COM3 端口。

The diagnostic tool scans the COM port to read sensor data and then logs the results to a file for later analysis.
诊断工具会扫描通信端口读取传感器数据,并将结果记录到文件中以便之后分析。

词源 Etymology

COM 来自 communication(通信) 的缩写。在早期 PC 与操作系统(尤其是 MS-DOS/Windows)的设备命名体系中,串行口被标记为 COM1、COM2 等,用于区分不同的通信接口;后来“COM 端口”也扩展到虚拟串口(例如 USB-Serial 设备在系统中同样显示为某个 COMx)。

相关词 Related Words

文学与著名作品 Literary Works

  • Microsoft MS-DOS Encyclopedia(提及设备名与串行通信,常见如 COM1/COM2 的用法)
  • IBM PC/AT Technical Reference(涉及 PC 硬件接口与串行端口配置)
  • PC Intern: System Programming(讲解底层 I/O 与串行通信时常出现 COM 端口语境)
  • Advanced MS-DOS Programming(讨论串口通信编程与 COM 端口相关内容)
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