Data communication refers to the process of transmitting and receiving information between two or more devices or systems. It involves the exchange of data through various mediums such as cables, wireless connections, or even satellite links. This communication can occur locally within a network or globally over the internet. Data communication plays a crucial role in enabling the transfer of data, whether it's text, images, videos, or any other form of digital information, from one point to another. It encompasses the protocols, technologies, and infrastructure required to ensure reliable and efficient transmission of data across different devices and networks. Types of Data Communication Data communication encompasses various types of information exchange methods. These methods can be classified into different categories based on their characteristics and functionalities. One type of data communication is wired communication, which involves the use of physical cables or wires to
Over the past few decades, there has been a significant transformation in the generation of network infrastructure. The term " Generation of Network " in mobile wireless refers to a shift in the system's characteristics, speed, technology, frequency, data capacity, and latency. Each generation introduces new standards, capacities, techniques, and features that set it apart from its predecessor. The original mobile network, 1G, was analog and only supported voice calls. 2G introduced digital technology and enabled text messaging. 3G improved data transmission rates, and capacity, and added multimedia support. 4G combined 3G with fixed internet to create wireless mobile internet, enhancing bandwidth and reducing costs. The 5th Generation, 5G, will revolutionize the mobile market with unprecedented high bandwidth and advanced features, making it highly sought after in the future. 1G – First Generation of Network Nippon Telephone and Telegraph Company (NTT) established the in