What Does Computer-Mediated Communication (CMC) Mean?

Computer-mediated communication (CMC) is a process in which human data interaction occurs through one or more networked telecommunication systems. A CMC interaction occurs through various types of networking technology and software, including email, Internet Relay Chat (IRC), instant messaging (IM), Usenet and mailing list servers.

Techopedia Explains Computer-Mediated Communication (CMC)

Computer mediated communication is divided into synchronous and asynchronous modes. In synchronous communication, all participants are online simultaneously. In asynchronous communication there are time constraints on communication messages and responses, as with emails.