Q24. Write a note on the history of the Internet.
Ans. Over the last two decades, the Internet has gained immense popularity and emerged as an important and efficient means of communication. In 1962, J.C.R. Licklider first proposed the development of a global network of computers. The same year, he moved to Defense Advanced Research Projects Agency (DARPA) to develop the network. Another scientist, Leonard Kleinrock, developed the theory of packet switching, which was used as a basis for the Internet connections. In 1969, the scientists at DARPA succeeded in networking two computers, known as ARPANET (Advanced Research Projects Agency Network), which was based on packet switching. ARPANET was developed as a means of communication for the United States military services. However, by the end of 1971, almost 15 sites from different organizations were connected to the ARPANET.
Seeing the success of APRANET, the National Science Foundation, another US federal agency, created a new high capacity network called NSFnet, which was more capable than ARPANET. However, one drawback of NSFnet was that it allowed only academic research on its network, which means that private and public businesses could not use it. Therefore, private organizations and people started working to build their own networks, which were later interconnected with ARPANAT and NSFnet to form the Internet.