Communication Media (Transmission Media) The communication medium also called transmission medium is the physical path through which a message travels from sender to receiver. The communication media acts as a communication channel for linking various computing devices so that they may interact with each other. The most commonly used communication media include cable, satellite, microwaves,…
Signals, Modulation, and Bandwidth In electronics media, a signal is an electric current or electromagnetic field used to convey data from one place to another. The simplest form of signal…
Data Communication (Concept, Modes, and Elements) Concept of Data Communication Data communication refers to the sharing of data in various forms like text, images, sound, etc. It is the transmission…
OSI/ISO Reference Model of Networking The Open Source Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare the different layers…