How Are Computers Named Physically
	v The physical way to name computers is using an Internet protocol address, or IP address ; boris.cs.washington.edu’s IP address is:  128.95.2.227 ; cs.washington.edu’s IP address:            128.95.1.4 ; washington.edu’s IP address:                 140.142.15.163 v The domain name system (DNS) associates human readable names with the physical IP addresses for use by the computers and routers of the Internet