NGN timeline

1960s: Alan Kay of Xerox PARC proposes a notebook using pen input called a Dynabook.

01 July 2007

1977 to 1979: The first two versions of IP are developed.

1980s: The first tablet computer is introduced. Litton Data Systems builds a five-pound ‘handheld terminal unit' designed for use by soldiers in battle, and linked by a digital radio connection to a 35-pound ‘luggable'-style server.

1980: Combined with advances in core calculator technology and increasing user demands for programmability, the ‘handheld computer' product category is born.

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