As of January 2020, there are almost 4.54 billion people around the world that are active internet users. This means that the internet is reaching just past 59 percent of the world’s population.
Taking this data one level deeper, we can see that China, India and the United States lead the world when it comes to the number of internet users, while at least 95 percent of Northern Europe’s population is able to connect to the worldwide internet.
Although the internet as we know it today did not exist for many communities until the last 10 to 20 years, a world without it seems foreign and unimaginable. This system is able to connect billions of people together and deliver them nearly instantaneous access to the world’s ideas, art, music, science and everything in between.
Many credit what developed into the World Wide Web to Leonard Kleinrock, who wrote and participated in the U.S. Defense Department’s Advanced Research Projects Agency Network (ARPANET). ARPANET funded and founded many of the protocols (such as TCP/IP) and network systems (like packet switching) that are still used for the internet today, beginning around 1969. This was followed by the establishment of the first commercial internet service provider (ISP) in 1974.
Introduction to the web
So what did ARPANET do and how did it form the backbone for the internet that we know today? Similarly, how does the internet allow you to visit this website and read this article?
At a high level, the entire process begins with a computer, a device able to process our language and convert it into ones and zeros that can be transmitted to other computers. Information is displayed as pixels on a screen with the help of an operating system like Windows, Linux, or macOS (Read more...)
*** This is a Security Bloggers Network syndicated blog from Infosec Resources authored by Patrick Mallory. Read the original post at: http://feedproxy.google.com/~r/infosecResources/~3/CLwo6eIKc-E/