The Osborne 1 is the first commercially successful portable computer, released on April 3, 1981, by Osborne Computer Corporation. It weighs 24.5 lb (11.1 kg), cost US$1,795, and runs the CP/M 2.2 operating system. It is powered from a wall socket, as it has no on-board battery, but it is still classed as a portable device since it can be hand-carried when the keyboard is closed.
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SignificanceThe first commercially successful portable computer 1 Sources
1. Osborne 1 - Wikipedia
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The Osborne 1 is the first commercially successful portable computer, released on April 3, 1981.
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the first commercially successful portable computer
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