In computer science, the state of a program is defined as its condition regarding stored inputs. The term "state" here is used similarly to how it is used in science — whereas the state of an object, for instance, as a gas, liquid or solid, shows its current physical makeup, the state of a computer program shows its current values or...
The Advanced Research Projects Agency (ARPA) was the old name for the Defense Advanced Research Projects Agency (DARPA), an agency of the U.S. government responsible for developing new technology for the military. In computing, ARPA/DARPA is best known for its involvement in networking and the early development of ARPANET, a network that many view as the starting point of the Internet.
ARPA changed its name to DARPA in 1972, then back to ARPA in 1993, then finally back again to DARPA in 1996. Its name change also sometimes causes confusion in the naming of ARPANET, who some assume changed its name to DARPANET, which is not the case.
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