Computer addiction is a compulsive or excessive disorder in which an individual's computer use has negative effects on his social, personal and occupational function. People who are shy, bored, lonely or suffering from a... More »

Email was invented in 1972 by Ray Tomlinson, who figured out a way to send a message from computer to computer. He chose the @ symbol in order to do this. Jon Postel was one of the first to use email. More »

www.reference.com History Inventions Computer History

The invention of the first tablet PC, or personal computer, is credited to three men: Alan Kay, Steve Jobs and Bill Moggridge. Computer specialist Kay created the concept for the tablet PC in the early 1960s, which he ca... More »

Defense workers in England built the first electronic computer in late 1943 and early 1944. They called the machine "Colossus," and used it to decipher German military codes during World War II. Code-breaking personnel e... More »

The Z3, designed in Germany by Konrad Zuse and completed in 1941, is widely considered to be the first programmable computer. While later computers were significantly faster, the Z3 laid the groundwork for further develo... More »

One highly rated computer for senior citizens is the TouchSmart 610 all-in-one computer by Hewlett Packard. All-in-one computers are great for seniors with limited mobility and who need smaller machines. More »

www.reference.com History Inventions Computer History

According to a 1986 contest held by Boston's Computer Museum, the first true computer was the Kenbak-1, designed by John Blankenbaker in 1971. The Kenbak-1 is considered the first personal computer, although it had no mi... More »