Otherwise, a chemical reaction has occurred and a chemical change is indicated. 1  Article. 2  Article. 3  Article. 4  Article. 5  Article. 6  Article. 7  Article. 8  Article.
packet switching. n. A method of data transmission in which data is broken into small blocks that are transmitted over different channels and are reassembled into their original order at their destination.
Leonard Kleinrock of MIT and later UCLA developed the theory of packet switching, which was to form the basis of Internet connections. Lawrence Roberts of MIT connected a Massachusetts computer with a California computer in 1965 over dial-up telephone lines.