Introduction to Internet Technologies
Letha Hughes Etzkorn · 2017
The internet is a network of computer networks. Big networks connect to each other and also to lots of small networks (subnets). Connecting to small networks are individual desktop computers, laptops, switches, routers—and nowadays cell phones and smartwatches. And refrigerators and light bulbs. See Stables (2016) to help figure out the very best light bulbs you can control from your smartphone.☺