internet

The Internet, or Net, is a vast network of computers that connect many of the world's businesses, institutions, and individuals. The computers that form the Internet range from a various number of huge mainframes in research used to span Internet access to PCs all over the world. Despite the recent publicity, the Internet is not a new thing. Its' roots lie in a collection of computers that were linked together in the 1970s to form the US Department of Defense's communications systems. Fearing the consequences of nuclear attack, there was no central computer holding vast amounts of data, but instead the information was dispersed across thousands of machines. A protocol known as TCP/IP was developed to allow different devices to work together. The original network has been upgraded and expanded greatly since its' first appearance and is still used today. The Internet has gone on now to fulfill a great deal, more than it's intended purpose, and has definitely brought more good than bad.       Due to the excessive use of the internet, particularly in the younger generation is resulting in increasing health problems. Physically activity has declined greatly, obesity, diabetes, heart ailments, migraine, spondylitis, problem of joint pains; problems of eye sight are on the rise. In addition, misuse of data by people who break into computer network is also becoming a problem of large dimensions. The internet is also being used in developing dangerous and lethal weapons of mass destruction.