计算机网络具有数据通信的功能。数据通信是其最基本的功能。它能够快速传送计算机与终端之间、计算机与计算机之间的各种信息，这些信息包含文字信件、新闻消息、咨询信息...

Hey re, have you ever heard about those big companies that have a whole bunch of servers? It's like y have ir ......