1. Discuss the exact time broadly, how and when data communication is started in Ethiopia and in globally?
Data communication in Ethiopia and globally started with the development of telecommunications networks and technologies. In Ethiopia, data communication began with the introduction of the first telephone service in the late 19th century. However, it was not until the late 20th century that data communication started to become more widespread with the introduction of the internet.
Globally, data communication has been evolving since the invention of the telegraph in the 19th century. The development of the telephone network, followed by the internet, has greatly expanded the capability for data communication on a global scale. The advent of digital technologies and advancements in networking protocols have further accelerated the growth of data communication around the world.
Today, data communication in Ethiopia and globally is facilitated by a variety of technologies including wired and wireless networks, satellite communication, fiber optics, and mobile networks. These technologies allow for the rapid exchange of information between individuals, businesses, and governments across different regions and continents. The widespread availability of data communication has revolutionized the way we communicate, conduct business, and access information in the modern era.