PONG was the first computer game and was invented for entertainment. If you want to know more about the history of the first video game, who invented it; and other really neat facts visit the following site: http://www.pong-story.com/intro.htm
Asked in Computer History, History of the Web, Websites
What is the first ever website that was created when computer was invented?
None as the web did not exist when the computer was invented.