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The first desktop and mass-market computer. In 1964, the first desktop computer, the Programma 101, was unveiled to the public at the New York World's Fair. It was invented by Pier Giorgio Perotto and manufactured by Olivetti. About 44,000 Programma 101 computers were sold, each with a price tag of $3,200.
This was also Appleâs first computer to support a hard drive, the 5 MB Profile. Estimates are that there were one million personal computers in the US in 1980. In early 1981, Adam Osborne introduced the first portable computer. The Osborne 1 was about this size of a suitcase, ran CP/M, included a pair of 5.25â³ floppies, and had a tiny 5â³ display. The innovative machine was bundled with about $1,500-2,000 worth of software, and the whole package sold for $1,899. The first laptop computer also arrived in 1981, the Epson HX-20 (a.k.a. Geneva).