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.
Circuit switching is a method of implementing a telecommunications network in which two network nodes establish a dedicated communications channel through the network before the nodes may communicate.