The Basics of Data Communication

Data communication is vital to our digital world. It connects us with the devices and services we depend on. It includes a variety of techniques and media which dictate how information is transferred from one location to another. Understanding how it works enables us to create a reliable and reliable networks that offer the benefits of greater connectivity for improved business efficiencies and productivity and advancements in automation.

The principle of data communication is the transmission of data from one computer to the other via the medium or channel. This can be accomplished via either a cable, radio frequency, satellite signal or wirelessly. A device or person who transmits data is the sender, while the computer that receives the data is known as the receiver. In a network for data communication more than two computers can be involved in the process of communication.

Multiplexing and demultiplexing are both communication techniques that optimize bandwidth use and cut costs. Both processes require specific equipment that can combine and separate signals. This is usually done by custom integrated circuits that are found in a range of communication products including cellphones, computers, and printers.

The mode of data communication that allows simultaneous two-way communication between a pair of devices is referred to as full-duplex communications. This mode is more complicated than simplex transmission, since it requires the capability to send and receive data simultaneously.

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