Apple II

The Apple II (often written as Apple ][ or Apple //) was the first mass produced microcomputer product manufactured by Apple. It was one of the earliest and most successful home computers. In terms of ease of use, features and expandability the Apple II was a major technological advancement over its predecessor, the Apple I, a limited production bare circuit board computer for electronics hobbyists which pioneered many features that made the Apple II a commercial success. Introduced at the West Coast Computer Faire in 1977, the Apple II was among the first successful personal computer and responsible for launching the Apple company into a successful business. Throughout the years a number of different models were introduced and sold, with the most popular model manufactured having relatively minor changes even into the 1990s. By the end of its production in 1993, somewhere between five and six million Apple II series computers (including approximately 1.25 million Apple II models) had... full article at wikipedia