What is a digital communication system?
Digital communication systems, by definition, are communication systems that use such a digital1 sequence as an interface between the source and the channel input (and similarly between the channel output and final destination) (see Figure 1.1).
What are the types of digital communication system?
There are many types of digital communication, commonly referred to as digital communication channels. These include email, phone calls, video conferencing, and many types of instant messaging like SMS and web chats. Even blogs, podcasts, and videos are considered forms of digital communication.