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数据通信是依照一定的通信协议,利用数据传输技术在两个终端之间传递数据信息的一种通信方式和通信业务。它可实现计算机和计算机、计算机和终端以及终端与终端之间的数据信息传递。通过传输信道将数据终端与计算机联结起来,而使不动地方的数据终端实现软、硬件和信息资源的共享。
Data communication is a communication method and communication service that uses the data transmission technology to transmit data information between two terminals according to a certain communication protocol. It can achieve the computer and computer, computer and terminal and terminal and terminal data transfer between the information. Through the transmission channel, the data terminal and the computer will be linked together, and the data terminal will be allowed to share the software, hardware and information resources.