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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.
The laptop was designed to make a personal computer easily portable. The first portable computer was the GriD Compass (weighing about 5 kilograms). It was invented by Bill M â¦ oggridge in 1979 and cost several thousand dollars when it was first sold in 1982.It was widely used by the military and aboard the Space Shuttle. The first true laptop was invented by Adam Osborne in 1981.It was called 'Osborne 1' and cost $1,795.t was invented by Bill M â¦ oggridge in 1979 and cost several thousand dollars when it was first sold in 1982. It was widely used by the military and aboard the Space Shuttle. The first true laptop was invented by Adam Osborne in 1981.