vnpt , a system architecture that has revolutionized communications and ways of commerce by allowing various computer networks all over the world to interconnect. Sometimes referred to as a ?network of networks,? the web emerged in the United States in the 1970s but did not become visible to everyone before early 1990s. By 2020, approximately 4.5 billion people, or more than half of the planet?s population, were estimated to possess access to the Internet. And that number is growing, largely due to the prevalence of ?smart? technology and the Internet of Things, where computer-like devices connect to the Internet or interact via wireless networks. These ?things? include smartphones, appliances, thermostats, lighting systems, irrigation systems, security cameras. vehicles, even cities. The Internet offers a capability so powerful and general that it can be used for almost any purpose that depends on information, in fact it is accessible by every person that connects to 1 of its constituent networks. It supports human communication via social media, electronic mail (e-mail), ?boards,? newsgroups, and audio and video transmission and allows people to work collaboratively at many different locations. It supports access to digital information by many applications, including the World Wide Web. The Internet has became a spawning ground for a large and growing amount of ?e-businesses? (including subsidiaries of traditional ?brick-and-mortar? companies) that carry out most of their sales and services online.
vnpt
