数据通信与数据通信网数据通信是电子计算机与通信技术相结合，把数据的处理和传输合为一体，实现数字信息的接收、存储、处理和传输，并对信息流加以控制、校验和管理的一种新的通信方式。计算机与通信线路及设备结合起来，实现人与计算机、计算机与计算机之间的通信，不... Data communication and data communication network Data communication is the combination of electronic computer and communication technology, data processing and transmission into one, to achieve digital information reception, storage, processing and transmission, and information flow control, checksum management A new way of communication. Computer and communication lines and equipment combine to achieve people and computer, computer and computer communications, not ...