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In 1981, Osborne Computer introduced the world's first portable computer -- the Osborne I.  Weighing almost 24 pounds, the Osborne I wasn't very portable by today's standards, but it was light enough to carry and could fit under an airplane seat. The Osborne I, which sold for $1,795, came with a 5-inch display, modem port, two 5 1/4 floppy drives, battery pack, and 64 kilobytes of memory. ____________________________________________

During the 1960s, several computer engineers working at various research institutions came up with the idea of using telecommunications technologies to link their computers together.  This effort, the forefather of the modern Internet, was known as the ARPANET (Advanced Research Projects Agency Network).  Originally, the ARPANET consisted of only four nodes located at the University of California - Los Angeles, the University of California - Santa Barbara, the Stanford Research Institute, and the University of Utah.  The first ARPANET link was established between UCLA and SRI on November 21, 1969.  By December 5, 1969, the entire 4-node network was connected.

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