How Data Communication works, A Brief Introduction
Howdy folks, the term communication means to send or receive information. When we communicate we share any kind of information or data. Thus, a communication system can be elucidated as the collection of hardware and software that facilitates inter-system exchange of information between different devices. Just as our brain tells our body parts the way to function and work together, the software governs the way devices on a network or link communicate with each other and perform functions. Data Communication Data communication is the exchange of data between two devices via some form of transmission medium/media. This transmission of data is done between a centralized computer and remote terminals or between two or more computer centers over established communication links. Data is transferred from one place to another in the form of signals. There are 3-types of signals. 1. Digital Signal. Here data is transmitted in electronic form i.e. binary digits (0 or 1). Hence, dig...