What are the first four nodes of ARPANet?

The Advanced Research Projects Agency Network (ARPAnet) is the world's first operational data packet switching network developed by the U.S. Defense Advanced Research Projects Agency. It is the originator of the global Internet.

The so-called "ARPA" is the abbreviation of the U.S. Advanced Research Project Agency. One of his core organizations is the Information Processing Techniques Office (IPTO), which has been focusing on research topics such as computer graphics, network communications, and supercomputers.

The original "Arpanet" consisted of 4 nodes on the West Coast:

The first was the University of California, Los Angeles (UCLA), Leonard Clay Rock A network measurement center was established, with an SDS Sigma 7 being the first computer connected to it; the second was the Amplification Research Center at Stanford Research Institute (now SRI International), Douglas Engelbart) created the groundbreaking NLS system, a very important early hypertext system that would run the Network Center (NIC), running SDS 940 NLS, named "Genie", the first satellite host;

The third University of California, Santa Barbara (UCSB) is partnering with the IBM 360/75 at the Culler-Fried Interactive Mathematics Center, running OS/MVT as a satellite machine;

The fourth is the University of Utah , of which Ivan Sutherland moved, ran DEC PDP-10 running Tenex.

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