Data communication is essential to our digital age. It connects us to the devices and services we depend on. It encompasses various techniques and media that determine how information is transferred from one end to the other. Understanding how this works helps us create reliable and efficient networks that provide the benefits of increased connectivity, including improved efficiency in business as well as higher productivity and advancements in automation.
The basic concept of data communication is the transmission of data from one computer to another using the medium or channel. This could be accomplished via wire cables, satellite signal, radio frequency or wirelessly. The sender is the individual or device that transmits data, and the receiver is the computer that receives the data. In a data communication network more click to read more than two computers could be involved in the process of communication.
Multiplexing and Demultiplexing are communication technologies that optimize bandwidth usage and cut costs. Both of these processes require special hardware capable of combining and separate these signals. Custom integrated circuits are frequently used to perform this function and can be found in a variety of communication devices that include phones, computers and printers.
The mode of data communication that allows simultaneous two-way communication between the same pair of devices is called full-duplex communication. This is a more complex mode than simplex transmission since it requires the ability to send and receive data simultaneously.
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