| 术语 | communications system |
| 释义 | communications system 通信系统 A computer system which handles on-line real-time applications. A typical communications system would consist of the following: a terminal or teletype, visual display, or audioanswer back device connected to an ordinary telephone line through a communication multiplexer, a device which converts the keyed-in character to electronic pulses for transmission over the telephone line. An interface device in the computer center translates these pulses into binary code and delivers the character to computer storage. After receipt of the entire message, the central computer searches or stores the requested information and sends back the appropriate response. 一种处理联机实时应用软件的计算机系统。典型的通信系统 包括以下设备:终端或电传打字机、显示器或通过通信多路转接器接到普通电话线上的声音 应答设备以及把键入字符转换成电脉冲 以便在电话线上传输的装置。计算中心的接口设备把这些脉冲转换成二进制码并把这些字符 送给计算机存储器,收到全部 信息之后,中央计算机检索或存储所需信息,然后发回适当的回答。 |
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